.."Upcultivation. HOP CULTIVATION. BT CHAELES WHITEHEAD, P.L.S., F.G.S. WITH : fMlMTMEW ILLUaTMATJVNS. LONDON : JOHN MtJEEAY, AliBEMAELE STREET. 1893. PAMPHLETS BY THE SAME AUTHOR. HINTS ON VEGETABLE AND FRUIT GROWING. Fourth and Enlarged Edition, 1893. With 7 Illustrations. METHODS OF PREVENTING AND CHECKING THE AHACKS OF INSECTS AND FUNGI. With 26 Illustrations. 1891. l^vloe SISCPEilSrCE:. HOP CULTIVATION. Contents. FAGi: INTEODUCTION X HISTOBY 2 THE HOP DISTEICTS OF ENGLAND 4. VAEIETIE^ OP HOPS AND MODES OP PLANTING 9 DEESSING, 12; POLING li AEEANGBMBNTS OP WIEB AND STEING I5 TYING, 17; LADDBK TYING Ig MANUEIjS 18 CULTIVATION, 21 ; EAETHING > . . 24 WASHING POE APHIS. BLIGHT 21 WIEBWOEMS, 27; JUMPBES, 27; BED SPIDBB, 27; HOP PLEA . .29 BENEFICIAL INSECTS 29 MILDEW 31 "LBWING" 34 PICKING, 34; DEYING, 37; PBESSING 41 THE COST OP HOP PEODUCTION 44 PEOPITS AND PEOSPECTS .45 Introduction. As there is a considerable demand for detailed infortnatibn upon the cultivation and management of hops, in the methods of which many changes and improvements have been made of late, this account has been prepared at the request of the Eoyal Agricul- tural Society, in whose Journal there has been no full description of all the branches of this subject since the elaborate contribu- tion by Mr. Eutley in 1840 on The Best Mode of Managing Hops. In 1864 Mr. J. P. Smith wrote a capital paper for the Journal (vol. xxv.) on the Hop Cultivation of Worcester, and A 2 Sop Culdvation. tte present i waiter recorded in 1870 (vol. vi., 2nd series) Becent It}np'ovements in the Oldtit'ja'tipn arid Management of Hops in its pages, and again in 1890 (vol. i., 3rd series) gave a short sketcli of the progress of this industry entitled Fifty Tears of Hop Farming. He also wrote an article on Hop Cultivation for the Journal of the Bath and West of Fngland Society in 1881, and reprinted in 1880 a series of articles written for the Country Brewers' Gazette entitled Hops from the Set to the Shylights. Beyond these papers there is not much literature of a practical nature upon the subject. The Hop Farmer, by J. Lance, published in 1838, gives full particulars of hop growing and hop drying, but these naturally are not up to date. A Treatise on the Cultivation and Management of Hops was written by Mr. H. M. Main waring in 1855 : this chiefly relates to methods in use in Herefordshire and Worcestershire. Mr. P. L. Simmonds wrote Hops, their Cultivation, Commerce, and Uses in Various Countries, in 1877, which deals more with commercial than cultural points. ^ History. Hops have been grown in England since the beginning of the fifteenth century. Hasted, the historian of Kent, states that a petition was presented to Parliament in 144<2 against the hop plant, which was termed a "wicked weed." ^ Hops are first mentioned in the English laws in 1552, the fifth year of the reign of Edward VI., when some privileges were given to " hop grounds." There was a hop plantation in the village of Bourne near Canterbury, in the reign of Queen Elizabeth, as may be proved by old records, and in the year 1603 a code of penalties was enacted against the importation of spoiled and adulterated hops; from this it may be inferred that the English hop grounds did not produce enough hops for the home requirements, and that foreign importers, as sometimes in these days, sent some rubbish to the English markets. Hop gardens, humularia, for yielding hops for making beer,, existed in Germany as early as the ninth century, according to old documents in the Freisingen collection written in the time of Ludovicus Germanicus.^ Hops were used in the Netherlands for brewing beer in the commencement of the fourteenth century, and the technical knowledge, or at all events improved ' The History amd Topographical Survey of the County of Kent. By E Hasted, Esq., F.R.S. * Beckmann's History of Inventions, vol. ii. p. 380. Hop Oultivation. 3 teclinical knowledge of their cultivation and management, was without doubt brought from the Netherlands by the Walloons, who introduced many other cultures, plants, and manufactures into Kent. A pamphlet upon hops, the first work published on the subject, was written by Eeynolde Scot, printed by Henrie Denham, " dwelling in Paternoster Eowe at the Sign of the Starre," in 1576, and dedicated to the " Eight Worshipfull Mayster William Lovelace Esquire, Sergeaunt at Lawe," who lived at Bethersden in Kent, and is advised by Mr. Scot in his dedication to " looke downe into the bowels of your grounde and to seeke about your house at Beddersden for a convenient plot to be applyed to a Hoppe garden." ^ This quaint writer evidently thought highly of hop land, as he says, " One acre of ground and the third part of one man's labour, with small coste beside, shall yealde unto him that ordereth the same well fortie marks yearly and that for ever," or about 261. 13s. Tusser, who wrote in the middle of the sixteenth century, alludes fre- quently to the various operations connected with hop culture.^ In his curious Way to get Wealth, written in 1668, Mark- ham has an interesting description of hop husbandry, in a chapter headed "The enriching of all manner of barren grounds, and so to make it fruitfull to bear Hopps." ^ In the Riches of a Hop Garden Explained, dated 1729, Professor Bradley holds that It is time to come more immediately to the purpose of planting the hop, which, considering the small space of ground it taies up in comparison to other plants and small expense of planting, the prodigious profit to the proportion, and the great advantage it brings to the crown of Great Britain IS well worth the consideration. For even ground that was never hefore esteemed worth a shilling an acre per annum is rendered worth forty, fifty, or sometimes more pounds a year by planting hops judiciously iipon it, which motive induces me to give a work of this nature to the public. At the first time when hops were planted with us they were sold at 11. 6s. per hundred, as it is observed in one of my memorandums of early date, and it is also remarked by the same curious observer that an acre of ground culti- vated for hops shall bring to the owner clear profit about 30/. yearly, for a long season ; but I have known hop-grounds that have cleared above 50/. yearly per acre to be sold at the first hand.* * A Perfite Platforme of a Hoppe Garden. By Eeynolde Scot, 1S76. * Fwe JBwndred Points of Good Husicmdry. By Thomas Tusser, Gentleman, 1367. ' A Way to get Wealth, eonta/ining six principal vocations or callings in tbMcTi every good Imsbamd or housewife may larefully employ themseVoes. By Gervase Mariiham, 1668. * The Riehes of a Hop Garden Explained. By E. Bradley, Professor of the University of Cambridge, and F.E.S. A 2 4 Sop Cultivation. The Hop Districts of England. From the time when hops were " fetched out of Flanders " into Kent, this county has been the principal English hop-pro- ducing district up to this date. According to the latest returns (1892) of the Board of Agriculture, there were 34,052 acres of hop land in Kent, out of 56,259 acres in the whole of England, and this proportion has been maintained for many years. The Kentish acreage has fluctuated with the rest of the English acreage. In 1863 there were 36,367 acres; in 1873, 39,040 acres; in 1883, 42,737 acres. It maybe seen that hops are grown in almost the same parishes in Kent as at the beginning of this century. There were 290 then, there are 296 now. The hop-growing limits are defined somewhat sharply by geological conditions. For instance, in the district in Kent between Chatham and Faversham, and from Faversham nearly to Canterbury, extending for some miles, chiefly below the London, Chatham and Dover Railway, the finest hop land in England, or, as some hold, in the world, is situated. The soil is clay, loamy clay, and sandy loam upon the Thanet, "Woolwich, and Oldhaven beds, which crop up here and overlie the Chalk on the "backbone of Kent." As the Chalk appears again with a thin and gradually decreasing surface of loam, the hop land becomes less valuable, and at a short distance from this point hops are not cultivated at all until, longo intervaUo, the "Bastard" East Kent district begins, where the hops produced are of inferior quality as compared with East Kent hops proper, being grown upon useful, somewhat heavy soils, lying for the most part upon the belt of Gault alternatiug with the Folkestone beds inter- vening between the Chalk and the Weald Clay. Below Canter- bury there is a district between Challock and Barham where hops of first-class quality are grown, upon loams of a lighter character resting on the Chalk. The crops here are not so heavy as those yielded on the deep loam and brick earth in the Faver- sham district, and the plants will not take such long poles, but the quality is most excellent. " Bastard " East Kent hops form a line of demarcation be- tween East Kent hops proper and those known as Mid Kents, which are for the most part produced upon the soils of the Lower Greensand formation — the loams, and clay loams, and hassoeky detritus of the Hythe and Folkestone Beds and the Atherfield Clay — between the Chalk and the Wealden formation, running from Lenham nearly to Tonbridge. A small part of the Mid Kent district is upon the Weald Clay, but it is Weald Clay modified and improved by admixture with Greensand soils. Hop Oultivation. 5 The area upon which . " Wealds " are grown lies between Edenbridge in the west and Ashford in the east, extending southward to Tunbridge Wells, Lamberhurst, and Hawkhurst, on the borders of Sussex. The soils are argillaceous clays and sandy clays, more or less tenacious and stifiF, with occasional patches of loam and alluvium, upon the Weald Clay, the Tun- bridge Wells Sand, the Ashdown Sand, and the Wadhurst Clay; the three last being varieties of the Hastings Sand. Much of this hop land gives large crops in kindly seasons, far larger than those in other parts of Kent. There are two other small districts in Kent, one known as West Kent, running from Westerham to a little beyond Seven- oaks, and northerly to Orpington and the surrounding parishes. The best land is upon the curiously narrow strip of Gault of the Upper Greensand, alternating with a broader strip of various Lower Greensand soils cropping up between the Ohalk and Weald Clay. The Gault here is not anywhere wider than five miles, and the Sandgate Beds and Atherfield Clay running parallel with it are not more than seven or eight miles in width. The other district, whose hops are styled North Kents, embraces an expanse of Ohalk hills with hop grounds at distant intervals, between Parningham and Eochester. It is only in places where the marl on the Chalk is least tenacious that hops are grown. In some spots, as at Cobham, Southfleet, Gravesend, there are outcrops of Thanet Sand where clay loams suit hops ^ell. Sussex has always ranked next to Kent in respect of its hop acreage, which has ranged between 7,000 and 11,000 acres during the last thirty years. The acreage has increased con- siderably since the beginning of the century, but the list of parishes, as in Kent, in which hops are cultivated, remains almost the same now, being determined by geological conditions. Though without doubt the fanners of Sussex imitated their close neighbours in the Weald of Kent, and, having the same kind of land and equal opportunities of getting plenty of wood for drying ■ and for poles, planted hops extensively, they did not extend their culture across the boundary of the Upper Cretaceous formation. They confined their hop land to the soils of the Lower Cretaceous formation — the Tunbridge Wells Sand, the Wadhurst Clay, and the Weald Clay — and to the rich alluvium of river courses in the eastern part of the county, where heavy yields are produced in good seasons. And to this day the same boundary is observed. ' In the early days of this cultivation hops were dried with wood. The old " cockles," or stoves, were made for this. 6 Hop Cultivation. It must not be concluded that hops can be well or profitably grown on any of the soils that have been indicated as suited for their production in Kent and Sussex ; for it happens frequently that the land in some pai'ts of a parish will grow them well, while in other parts they prove a failure. On one side of a river the land occasionally is far more fitted for hop growing than that on its opposite side. Even in adjoining fields this one will produce good hops while that one will not. So much depends upon the situation, and the composition of the soil, and espe- cially upon its substratification, because the hop plant likes a permeable subsoil. • It is supposed by many that hops will do well in any part of hop-growing districts, but the fact is that there is a very small extent of land thoroughly suitable for hops beyond that which is now in cultivation. In most of the parishes the present plantation has been determined by selection, and the survival of the fittest. When the least depression has occurred, the unsuitable land has been promptly grubbed. Next in importance to Sussex come Herefordshire with 6,797 acres, and Worcestershire with 3,369 acres, in 1892. Both these counties show an increase in their hop acreages since 1871, and a considerable increase since 1850. Here again it is found from an examination of old lists, that the hop-growing parishes detailed therein are almost identical with those in which hops ^re now grown. The hop grounds, or " yards," of Herefordshire and Worcestershire are situated upon the eastern side of the former county, extending as far as Leominster, Eoss, and Here- ford ; and upon the western side of the latter county, mainly upon the better marls of the New Eed Sandstone, and soils formed of the debris of Cornstones of the Old Red Sandstone formation, and the rich and extensive alluvial deposits by the courses of the rivers Wye, Lug, Teme, and Severn, and other rivers and streams.^ A small part of the Worcestershire hop plantation in the direction of Pershore is upon clays of the Lias formation, but hops do not thrive so well as upon the Triassic and Keuper systems in the west of the county. In Hampshire and Surrey there has been but little increase or change in the extent of the hop land during the last thirty or forty years. The 2,775 acres returned in 1892 in Hampshire ' Marshall, in his Eccmomy of the Southern Counties (1798), says : " Hops require not only an absorbent but a calcareous base. No art has been dis- covered to induce lands with non-calcareous subsoils to endure in this crop." ^ Dr. Nash in his exhaustive History of Worcestershire (1781) describes the Teme as watering " fine meadows, a rich country, and one particularly famous for its many hop yards." Hop CuUwaUon.] 7 are situated about ten miles north, south, and east of the town of Alton, Surrey hop land, of which there weie 1,955 acres in 1892, is located between Famham and Guildford, and within eight or nine miles of Famham in a south-eastern direction. Here, in both of these hop districts, as in all others, it is found that little or no addition has been made to the number of hop-producing parishes during the last 100 years, though in many of these the acreage has considerably increased. Here also, as in other in- stances, the limits of the hop plantation are sharply demarcated by peculiarities of soil. The Hampshire hop land is for the most part upon the strip of Upper Greensand which runs out below the Chalk escarpment,' whose soil is particularly rich in phos- phoric acid and silica. This soil, the celebrated " Malm," has been formed by the d6bris of a soft white rock, having the appearance of chalk or limestone to a casual observer. Gilbert White calls it " a kind of white land neither chalk nor clay but kindly for hops. . . . This soil produces the finest hops."* Messrs. Way and Paine writing of this land say : — In the parish of Famham this bed traverses its whole extent from east to west comciding with the line of the very best hop-grounds, those which are perennially continued under hop ciilture. This is a remarkable circum- stance tending to confirm the opinion of the profuse abundance of phosphoric acid in the soil, as well as the facility with which the hop-plant appears to be able to assimilate the acid it naturally contains. For the analysis of the hop proves it to be a great consumer of phosphoric acid, annually carrying on many pounds per acre, in addition to the quantity abstracted by the bine «nd leaves.* Aubrey, the historian of Surrey, shows that the value of this " Malm " for hop growing was known in the sixteenth century^ Camden writes that " near Famham, hops are growing nearly in as plentiful a manner as in any parts of England." * From the descriptions given of the centres of hop cultivation in England, it will be seen that the hop land is upon soils of the Wealden formation, except in the case of Herefordshire and Worcestershire. From these descriptions, and a study of surface maps of this formation, it ^ill appear that in almost all cases, and particularly where the best hops are grown, there are exceptional conditions of soil or subsoil. It must not be inferred that there is no other land than ' Tlie Geology of the Weald. By W. Topley, F.G.S. " TTie History of Selhome. By Gilbert White. ' On the I'hosphaUe Strata of the Chalh Formation. By Messrs. Way and Paine, vol. ix., 2nd series, Journal of the Eoyal Agricultural Society. * Magna Britannia et Hibernia, Antiqita et Nova. Camden, vol. v. p. 395^ 8 JIop Gultivation. that in the charmed districts enumerated where hops can be successfully grown. Mr. Topley remarks upon this * : — Hops take up a large area in Kent, next to which county come Sussex and Hereford. Besides those counties, it is only in Surrey, Hants, and Worcester that hops are grown in any quantity. The unequal distri- bution of this crop is very remarkable, as there appears no sufficient reason why it should not be cultivated in other districts. Everywhere below the Chalk escarpment hops might probably be cultivated with success, and the vale of Pewsey, for instance, would seem especially suited for them. ^ There are, no doubt, other districts where hops could be produced, but their introduction into new localities would be attended with great initial expense. Oasts, hop-pickers' huts, and other buildings must be provided, and skilled labourers in- troduced, and, as will be seen later on, the cost of hop cultivation increases year by year. The cultivation of hops has been tried in many counties, notably in Nottinghamshire and Essex, and has been abandoned. Some of the hop grounds in the best districts are more than. 100 years old. In some cases there is no record of the date of the first planting of certain Golding grounds in East and Mid-. Kent, Parnham, and in Herefordshire, by the river Teme, where it is said the land will grow hops for ever. It is, however, being discovered by hop planters that the plants in such very old grounds do not crop well, and are more liable to blight and mould, and less able to resist these attacks and climatic varia- tions. In several cases of very old grounds a sacrifice has been made, the plants have been grubbed up and change of crop has been resorted to for a time with much advantage. In order to show the fluctuations in the hop acreage and hop yield in England the following table is given : — Tear, Area, Total yield, acres. Gwfc. 1800 38,436 500,000 1820 50,048 275,000 1840 44,085 68,000 1860 46,272 107,000 1880 66,703 473,000 1892 56,259 413,259 The maximum area was 71,789 acres in 1878. It may be added that in 1872 hops were grown in twenty-three counties, while in 1892 there were but eleven counties in which they were' cultivated, and the whole acreage in five of these only amounted to 198 acres. ' On the Agncnltural Geology of the Weald. By W. Topley, F.G.S. Journal of the Royal Agricultural Society, vol. vill., 2nd series, ] 872. '^ I have seen splendid samples of hops grown in the Vale of Pewsey.— C. W. Ilof Cultivation, Varieties of Hops and Modes of Planting, It is well known in practice that the seeds of hop plants cannot be depended upon to reproduce plants similar to those from which the seeds are taken. New varieties are by chance occasionally obtained from seeds, but no attempts have been made in the direction of artificial fertilisation of hop plants to obtain new sorts. These have been evolved by careful and close processes of selection, by means of which desired characteristics, as early and late maturity, and variations in the form and arrangement of the strobiles or cones, have been acquired. White's Early Golding was developed thus, and the Buss's Golding of late habit ; also the Puggle's Golding, which has now again become the fashionable variety on account of its success in 1892. There are not many varieties of hops in this country, though it is said that there are as many as 160 different varieties in the world ; ' and it is thought that valuable kinds might be obtained by cross- ing approved varieties. Sets are cut in the early spring from the hills, or stocks, from the strong fibrous growth at the bases of the bines of the previous season. Lengths of from six to eight inches of these are put in a nursery at once, and are fit to plant out in the subsequent autuibn. Planters are in these days very particular as to their sets, and are careful that those they plant and those with which they re- place the dead stocks are good and true to variety. Experience has taught them that this is of the first importance in ensuring a " level growth " and a series of uniform samples. Sometimes when sets are very dear the pieces of root cut off in the spring are planted out at once without having been put in a nursery. This is risky, especially in a dry spring season. Two bedded sets ^ of fair size are quite sufficient to form a stock, and are much better than three or four sets. The fashion as to varieties changes in accordance with the cir- cumstances of the demand. Until the last year or so hops of the finest quality were required by the brewers. Land which pro- duced these was at a premium. The East and Mid Kent and Pamham planters were in the ascendant and planted the best varieties, as Bramlings, and others of Golding character. Pro- ducers of more common hops, in the Weald of Kent, Sussex, and elsewhere, were disposed to consider their occupation gone, and made some efforts to improve their quality. But now this has ' The Varieties of Hops. Photographed and published by H. Braungart, Weihenstephan, Germany. ' " Bedded " sets are those which have been grown in a nursery. 10 -Hop Cultivation. changed for the nonce. Fine-flavoured hops full of aroma seem just now to be only required for pale ales and export ales, and for the comparatively small quantity of stock beer now brewed. For beer for quick draught common hops, it is said, are good enough. There has been a large demand for these of late, and they have made prices relatively higher than those of the finer sorts. Varieties of common hops have therefore been extensively planted even in districts producing hops of fine quality, and among them the Fuggle's Golding, as cropping heavily, has been largely selected. Many planters, however, refuse to make any alteration in this respect, as they say that there will be a reaction, when the market is crowded with common hops. In East Kent the prevailing varieties are Goldings of several kinds, Bramlings, Gobb's Early Goldings, Petham Goldings, Canterbury, and Old Goldings. Bramlings and other Goldings are still generally grown on the best land ; Whitebine Grapes and Grapes on that of not so good quality. In Mid Kent, Goldings, Bramlings, Grapes, and Jones are principally cultivated. Fuggle's Goldings are now being planted rather extensively. The Golding is undoubtedly the best English hop, having unsurpassed aroma and brewing value. Marshall writes * : — The Golding is a sub-variety," 1 understand, of the Canterbury hop which was raised by a man still living — Mr. Golding, of the Mailing quarter of this district, Kent — who observed in his grounds a plant of extra- ordinary quality and productiveness, and marked it and propagated from it, and furnished his neighbours with cuttings. This variety has small compact cones, shaped somewhat like a filbert, of a light golden colour when ripe. The cones do not cluster together, but grow in bunches of two or three cones. Bramlings are Goldings of slightly different shape, coming earlier to pick, having valuable Golding attributes. White's Early Gold- ing is the earliest hop with Golding characteristics, but it is rather delicate, and a shy_ bearer. The " Grape " and " Whitebine Grape " are very useful hardy sorts, having large cones growing to a very great size in some soils, and hanging in clusters like grapes. There are other kinds of Grapes, as the Farnham Whitebine, full of quality and a very good bearer. Cooper's White is a rather early variety. May- field Grape is a hardy, useful, prolific kind. Buss's Golding and Fuggle's Golding have not many Golding qualities. They are rather coarse^ coming to pick later than Goldings, but they are good cropping sorts, especially the > The Rural Economy of the Southern Courvtiei. By Mr. Marshall, 1798. Hap Cultivation. 11 Fuggle's Golding, and are not as a rule so disposed to blight and mould as others. The Jones is a very useful hop, yielding well on some soils. It has large cones, and when grown on good land has much quality. There are very early and common varieties as Prolifics, Meophams, and others, which yield large crops of inferior quality, and are not much in favour with brewers when other kinds are available at reasonable rates. The "Mathon," which originated at Mathon, a parish in Worcestershire, and is peculiar to that county and Hereford- shire, approaches nearly in flavour to the East Kent Golding. In Sussex and the Weald of Kent, the " Colegate " is grown, but not nearly so extensively as twenty-five years ago, and many planters are eliminating it altogether and planting Fuggle's, Hobbs's, Henham's, and Buss's Golding. It comes to pick latest of all hops. It is accurately described by Mr. Eutley as A variety first propagated from a plant growing wild in a hedge on a farm at Chevening in Kent, by a gentleman of the name of Colegate. It is a very hardy but backward hop, and will grow on any soil ; it runs much to bine, and requires as long poles as Goldings. The hop is generally very small, when quite ripe before it is picked ; they have a rich, thick appearance when dried, but the smell and flavour are not good, and some brewers object to them.^ Hops of a Golding type are cultivated on the best soils in Hampshire and Surrey, while Grapes, as the ordinary Grape, and Williams's Whitebine Grape, and the Grape Green Bine, Hen- ham's and Fuggle's have been planted on the poorer soil. There has been a disposition of late, in Herefordshire and Worcester- shire, to plant hops of Golding character, and to improve the quality generally of the growths of these counties, which find much and increasing favour among brewers. At the same time early varieties, as Meophams and Prolifics, have been put in to some extent, and Fuggle's, which are coming into favour. As a rule, hops are now planted six feet apart each way, or 1,210 hills, or stocks, per acre. It is found that this number of hills is quite sufficient, and that as many hops can be grown on this plant as upon a closer plant, especially if cocoa-nut fibre string is fixed on the tops of the poles. In Herefordshire and Worcestershire the number of hills is smaller, varying from 889 to 1,000 hills ; but the planters have latterly set them more closely together. Old pastures and old apple and cherry orchards are well ' On the Best Mode of Managing Hops. By Mr. Eutley. Journal of the Boyal Agricultural Society of England, 1840. J 2 Hop Cultivation. suited for planting with tops. Their situation, aspect, and soil are almost always good, as our forefathers planted their fruit trees in the best and most sheltered spots. The land should be ploughed deeply, with a subsoil plough following, or it should be trenched deeply. The former method is preferable and less costly. When land is trenched, unless the superficial soil is very deep, it often happens that a tenacious or heavy subsoil is brought to the surface, while the good upper soil is buried, so that°the texture of the soil is spoilt and probably made unkindly for working. The land is set out for planting •with a line in which, at equal lengths, according to the number of hills required to the acre, stitches of red worsted are put. At each point indicated by the worsted stitch, a stick is placed in the ground as the centre of the hill. The " setting out " must be performed with mathematical accuracy for cultivating with horses or steam between the rows and, especially in these days when mildew and blight are general, for the passage of sulphurators, and of horse- washing machines, whose delivery would be afiected by the plants being out of true line. Planting should be done in October and November. Square holes are made with a spade, with the sticks placed by the setter-out as their centres, and the sets are pressed in firmly with the hand and foot, an inch or two of the sets being above the ground. A good spit of farm-yard manure is put into each hole where the land is stale and poor. Before being j)lanted the sets must have their roots well trimmed and the dead bines cut off. In the spring, a small pole is put to each hill and the bines are tied to it. The ground between the rows and close round the hill must be kept clean by nidgetts (horse-hoes) and hand hoes. It is better not to put any crop, as turnips, potatoes, &c., between the rows, for hops are a most exhausting crop. Poles, two or three to a hill, and twelve, fourteen, or sixteen feet long, according to the variety of hop, are carried on to the ground during the following winter, and in the ensuing summer the hop plants will bear a good crop if well- manured and not over-poled. Dressing. Dressing, or cutting, is usually done in March, or early in April, as soon as the ground will work down well, and before the plants have sent forth shoots. The hills ' are opened, and the ' In the summer, the bases of the plants are " earthed up " by putting four or fire shovels of earth over them among the bines, to protect the " crowns "" from wet, and to encourage a growth of fibre for propagation. Hence the term "hill." Hd^ Cultivation. 13 earth upon the stock is moved with an ordinary three-pronged hoe. All the fibrous growth is cut off close to the ground with a peculiar knife (fig. 1), having a thin, sharp, hooked blade, and fine earth is drawn over the cut stocks with a little hoe (fig. 2), and they are neatly ringed round. It is well not to " dress " hop plants too early, as if the shoots or bines are forward, they are exposed to the action of spring frosts which will either cut them up, or blacken and spoil them, or make them " sticky," unkindly, and more liable to blight and mildew.' The French vine cultivators dread the influences of white frosts upon the young and tender shoots of the vines, which are most pernicious, especially if the sun shine on them while they are covered with dew. On the other hand, if the plants are dressed very late, and cold dry weather come in May, as is sometimes the case, the bines get behind and _ -^j^i^W;sflM'-*^*'«l';,.iW(-J»^Ji*',^,HtSMfc^ Fig. 1. — Dressing Knife. PiG. 3. — Hoe. cannot make up for lost time. But most planters now hold that moderately late is better than too early dressing. Care must be taken in dressing not to cut the stocks too low, thus getting them too much below the ground level, nor too high, so that they are much above it. The dressing knife should be kept very sharp to give a clean cut, as in all pruning, Eeynolde Scot says with regard to dressing : — You must, at the first time of cutting and dressing, with a sharpe knife cut away all such rootes and sprynges as grewe the year hefore out of your settes within one inch of the same. Every years after you must cut them as close as you can to the olde rootes even as you see an osyer-hed cut. He adds : — At what time soeur you pull downe your hylles cut out your rootes before the end of March, or the beginning of April, and then remember the wynde.'' • In 1880, when mildew was very prevalent, it was noticed that hop plants which had been dressed exceptionally late escaped mildew to a considerable extent, and planters who adopted this late dressing were convinced that it was the cause of their comparative immunity from mildew. " The Perfite Platforme of a Boppe Garden. By Beynolde Scot, 1576, p. 4T. 14 -Hop Cultivation. Poling. In no part of hop farming has there been so much improve- ment and change as in poling, or providing supports for training the plants. Until a comparatively recent date, poles pitched into the ground in the spring and removed in the autumn were the only modes of supporting and training the plants. Now there are systems of wire fastened to permanent uprights, and methods of cocoa-nut fibre strings and wires combined, also fixed to permanent uprights. These will be explained later on. An extraordinary use is made of cocoa-nut fibre string tied to the tops of the ordinary poles, and carried from pole to pole across and down the rows of poles. The bines after reaching the tops of the poles make their way on to the strings, and are sometimes tied on to them by women on folding ladders, made specially for the purpose. Festoons are made by the bines from pole to pole, and the hops upon them are full of quality and strength, as they get all the air and sunshine available ; whereas, without these strings the bines are crowded together in a mass between the poles, so that sunshine and air are limited and the hops are poor and light. The adoption of this means of training the bines upon strings has largely increased the production of hops in this country. A clever instrument fixed to a long handle, termed a " stringer," has been devised by which a man can rapidly put the strings from one pole to another.' Poles are used of sizes according to the variety of hop and the nature of the soil. Goldings take two or three 16 ft. poles in Mid Kent and parts of East Kent, but in some districts of Bast Kent 14 ft. and even 12 ft. poles are put to them. In Hants and Surrey, Goldings take poles from 14 ft. to 16 ft., and. even 18 ft. in some districts. In Worcestershire and Herefordshire 14 ft. poles are used for Goldings. Grapes generally take poles of from 11 ft. to 14 ft., according to the locality. Jones take poles 10 ft. to 11 ft. long, and Colegates from 14 ft. to 16 ft. Sometimes Goldings have two poles to each hill in one row and three poles in the next row, and so on alternately. Two poles to each hill are generally sufficient for Goldings, especially where the stringing system is adopted. In poling it is essential to keep the poles wide apart at the tops, in order that the bines may not grow together in masses and obstruct air and light. This is most important, and it is curious to note that it is a point made by that close observer Reynolde Scot, who says in ' Cocoa-nut fibre strings are also frequently tied about half-way up each pole, and carried on to the tops of the poles of the next hill, and bines are trained on them when the poles have been furnished with bines. Hop Cultivation. 15 his Perfite Plafforme of a Roppe Garden, " Let the Poales of euery hill leane a little outwarde one from another." As the plants are set out with mathematical precision -it is absolutely necessary that the poles should be pitched ' with the greatest regularity, so that the plants may not be gradually drawn from their proper position by careless and irregular poling. It is desirable that the workmen should use a garden line which, stretched from hill to hill, may indicate the exactfplaces where the poles should be pitched. Now that hop washing by horse- machinery has become very general, it is imperative that the hills should be correctly in line and the poles also set as much in line as possible, in order that the spray from the delivery tubes and jets of the machine may be distributed evenly. Poles form an expensive item. The first outlay to furnish an acre of hop land with poles may be put at from 201. to 30Z. for the smaller poles, and from SSI. to 45Z. for larger poles. The price per 100 at this time (1893) ranges between 10s. and 30s. Not long since the range was between 17s. and 55s. per 100. In 1790 Mr. Marshall says, " The price of poles varies from 14s. to 40s. per 100 according to size and quality." The annual cost of replacing poles is from 21. to 4L per acre. Hop poles are now universally dipped in creosote, which effectually preserves their ends or " feet " in the ground, and just above the ground, from the effects of damp. Upon most hop farms there is a " dipping tank," either fixed in brickwork or portable, into which the poles are stood upright in gently simmering creosote to a depth of from 1| feet to 2 feet, for at least twelve hours. This practice has caused a vast saving of expense to hop planters. Ash, fir, and chestnut grown on some kinds of land are considered the best for poles. Chestnut on some soils is without heart and sappy. Maple, oak, red birch, alder, willow, white birCh, and hornbeam follow in order. Akbangements of Wire and String. Many arrangements of wire and string on permanent up- rights are in vogue. As a rule, they are only adopted by planters who farm their own land, or who have long leases, because the first cost is heavy. Their chief advantages are that the hops are not so much battered by the winds which invari- ably prevail while hops are ripening, as those grown upon poles, and the hops are better grown, have more condition, and are developed earlier. There is a saving of labour to some extent in this permanent system, as the poles have not to be put up ' This is done with a pitcher with a wooden crossbar as a handle. 16 Hop Galiivation. annually. On tbe other hand, more tying is requisite, because the bines do not go up string and wire so well as up poles. One arrangement of wires and string is much adopted in Bast Kent. It consists of stout posts set at the end of every row of hop stocks, and fastened with stays to keep them in place. At certain intervals in each row a post of similar size is fixed. Prom post to post in the rows wires are stretched at a height of half a foot from the ground and at a height of six feet from the ground, and again from the tops of each post ; so that there are three lengths of wire in all. Upon these wires hooks are fastened or " clipped " at regular intervals, so that cocoanut fibre string can be threaded on to them horizontally from the lower to the next wire, and in a vertical direction from this wire to the top lateral wire of the next row. The string as threaded on the Hop FhtnL^^^-^' Hop Plant-S^^ T-op P:mU Fig. 3.— Arrangement of TVires and String. hooks is continuous, no knots are necessary, and it is put on the hooks of the top wires with a " stringer." The first cost of this is about 40Z. per acre. Another method is known as Partridge's patent (fig. 3), and prevails in Worcestershire and Herefordshire, whilst it is now ex- tensively made use of in Kent and Sussex. Stout posts are placed at the ends of each row of plants, and at intervals where requisite. Wires are fastened to the tops only of these posts, and cocoa-fibre strings are fastened by pegs to the ground close to each hop stock (fig. 3, a, a, a), and to the wires at the liops of the posts, at b, h, b. This is more simple and less expensive than the first described system, costing from 2U. to 281. per acre. In this case the plants require to be well " lewed ", as the wind blows the strings about, being so light. Hop Cultivation. 17 Tying. Hop bines are tied to the poles by women. Now and then it happens that men do this in seasons when the weather is forcing, but it is essentially woman's work. Before tying it is well to have the strongest rank-growing, " pipy " bines pulled out by careful men who know what they are about, as such bines are frequently unfruitful. If the bines are strong, two are tied up to a pole in three-pole work, that is when three poles are put to each stock. In the case of two-pole work three bines are put to a pole, but different planters have different ideas on this. The hop plants climb with the sun, in contradistinction to the French bean and convolvulus, which twine in the opposite direc- tion. As soon as they have been tied to the poles, the "heads" or leading shoots grow upwards and onwards, their curious, almost instinctive habit of revolving helping them to find and lay hold of the support as they grow. Darwin gives most interesting descriptions of this peculiar habit of the hop plant. In one he writes : Wten tlie shoot of a hop (JSumulus lupuliis) rises from the ground, the two or three first joints, or internodes, are straight, and remain station- ary ; hut the next, formed while still very young, may be seen to bend to one side, and to travel slowly round towards all points of the compass, mov- ing like the hands of a watch with the sun. , . . The first purpose of the spontaneous revolving movement, or, more strictly speaking, of the continu- ous bowing movement, directed successively to all points of the compass is, as Mohl has remarked, to favoui- the shoot finding a support.' And Darwin adds : — This is admirably efiected by the revolutions carried on day and night, a wider and wider circle being swept as the shoot increases in length. This movement also explains how the plants twine ; for when a revolving shoot meets with a support, its motion is necessarily arrested at the point of con- tact, but the free projecting part goes on revolving.'' This explains how it is that the hop bines after they have been once tied to the poles keep to them. When the support has been found by the leading shoot in its revolutions, the re- curved hooks with which it is furnished lay hold of the pole and keep to it with tenacity. By reason of this admirable provision of nature the tyers have in ordinary circumstances but little trouble after the bines have once been tied. They fasten a ' Tlie Movements a/nd HaMts of CUmHng Plants. By Charles Darwin, M.A., F.E.S. ^ Sachs in his Text BooTi of Botany thus describes this revolving motion of the hop plant : " As new internodes develope from the bud they begin to revolve, while the third or fourth ceases to do so, becomes erect and manifests another form of movement, becoming twisted until its growth ceases." B It, Hop Cultivation. rush, not with a knot but with a " half hitch," round the bines to each pole, two or three bines as the case may be, about 1^ feet to 2 feet from the ground. In a week or two another rush is put two feet higher up to keep the bines in their places. After this, unless the bines are " sticky" from white frosts, or their " heads " have been blown away from the poles by persis- tent winds, but little further attention is necessary. When the bines are out of reach and, each pole is well furnished, those that remain on the stock are cleared out.' Later on, when a new growth appears, it is checked by earthing or putting a few shovels of earth over each stock in the beginning of July. Well- harvested supple rushes are best for tying. Bast used by gardeners, and matting shreds, will serve. String of any kind will not answer, as it expands and contracts too much with changes of weather. Much depends upon the manner in which tying is performed. Inexperienced tyers must be prevented from putting up rank, "pipy," unfruitful bines, and supervision exercised to ensure each pole getting its proper complement of bines. In seasons when there is a deal of bine, careless tyers recklessly pull out handfuls without considering what they will require for furnish- ing each pole, and are left at last with short, uneven, poor bines. Many planters set a man specially to superintend tyers. This is an excellent and economical practice. Ladder Tying. After the bines have reached the tops of the poles and the cocoa-nut fibre strings, women are employed to tie those there which show signs of falling away or slipping down, and to fasten them to the strings which are now almost generally stretched from pole to pole. They have light folding ladders and short step-ladders for this operation, which is of the greatest importance, and pays over and over again for being carried out thoroughly. Manuees. Professor Way calculated that by an average crop of hops, equal to a little over 7 cwt. per acre, 11 lb. of silica, 10 lb. of phosphoric acid, 1 6 lb. of potash, 5 lb. of lime, and smaller quantities of other mineral substances, are taken from an acre of land.^ Mr. Nesbit had previously made analytical experi- ' This is the ordiDary practice, thoBgli there are a few planters who think it Jjetter not to pull away all surplus bines, and twist them in a knot and earth them in, or let them run on the ground. 2 Eeport on tJie Analysis of Plants. By Professor Way, Journal of the Epyal Agricultural Society of England, vol. ix., 1st series. flop Cultivation. 19 ments upon hop plants, which showed that very large quantities of mineral matter are required for a crop of hops. Of these, as Mr. Nesbit points out, the most important are silica, phosphoric acid, lime, potash, phosphate of iron, and magnesia. His con- clusion is that : — As tte produce of a hop crop is almost wholly exported from the farm, it must be evident that unless the mineral matter is replaced, the richest soil would eventually he impoverished by the growth of this plant. This un- doubtedly is the cause of the necessity for manuring this plant so highly. The late Professor Brazier, who occupied the chair of Chemistry at Marischal College, Aberdeen, made analyses of the bines, leaves, and cones of Kent Goldings and Sussex hops, in 1880, with the following results : — The Bine yielded 5-67 per cent, of ash. The Leaves „ 23'45 „ „ The Cones „ 8'38 „ „ The ashes of these gave the following percentages : — I. — Kent Goldings. Bine Leaves Mowers Chloride of sodium . . . Chloride of potassium . . Potash Lime Magnesia Oxide of iron Phosphoric acid .... Sulphuric acid Silica 5-75 4-25 16-79 43-66 10-12 1-04 11-26 2-61 4-52 2-08 7 00 2-36 54-63 7-16 0-86 4-24 3-51 18-16 2-81 1-90 25-53 21-73 7-14 1-81 18-16 5-31 16-11 100-00 100-00 100-00 II. — Sussex Grape Hops. Bine Leaves Flowers Chloride of sodium . . . 5-07 4-79 3 08 Soda 20O 0-20 — Chloride of potassium . . — — 0-34 Potash 31-66 12-95 38-26 Lime 35-46 44-97 15-10 Magnesia 6-59 7-60 6-49 Oxide of iron 0-82 0-81 1-51 Phosphoric acid .... 10-10 5-86 18-71 Sulphuric acid 2-55 3-09 3-67 Silica 5-75 19-73 12-84 100-00 100-00 100-00 B 3 20 -Hop Cultivation. These analyses show that there is a considerable difference in the composition of the ashes of different kinds of hops, and of hops grown upon different soils. If hop land is to retain its power of producing hops satis- factorily and suflBciently, the various necessary mineral substances must be supplied by- means of manures containing them. Some soils have a larger natural supply of certain, of the essential constituents of hops than others, and the manures therefore must be suited to their conditions. For example, clay soils contain a larger amount of potash than calcareous soils, while calcareous soils have naturally a greater quantity of phosphoric acid than, clay soils. The good supply of phosphoric acid in the best Green- sand soils makes them especially suitable for hop production. Besides the mineral or inorganic matter that must be sup- plied, large amounts of organic matter are necessary to force luxuriant crops of rich quality. This is conveyed by means of ammonia and carbonic acid. Among the chief manures applied to hop land is farmyard manure. Although styled farmyard manure, this in reality comes to a great extent from the stables and cowsheds of London and large towns, at least within reasonable distance of the hop plantations. Many of the large hop planters in Kent have given up fattening cattle, and purchase " London manure," which costs from 6s. to 7s. 6d. per ton. From 15 to 25 tons are put on per acre. In Sussex, Worcestershire, and Herefordshire most of the planters still make farmyard manure of the old-fashioned type. For the most part farmyard manure is dug in during the winter. Sometimes it is carried on between the rows of poles in the summer, by means of narrow trolleys drawn by a horse, and spread over the whole of the ground, or only put round the hills. In the former case it is worked in by the nidgetts. In the latter case it is dug in with the spud, or hoed in with the Canterbury hoe. For winter use the other manures are, woollen rags, shoddy, the refuse of cloth factories, put on at the rate of from one to two tons per acre. This costs from 21. to 4L 4s. per ton, and contains from 5 to 9 per cent, of ammonia, which should be guaranteed. Fur waste from furriers' shops is a fine manure when pure, costing from 4Z. 15s. to 71. per ton, used at the rate of from 10 to 20 cwt. per acre according to quality. There are many other of these bulky manures, as " fleshings," hair, "scutch" and "trotters," which are good if pure and not too wet and heavy. These must be put on early, as they decompose slowly. Fish of various kinds, sprats, mussels, "five-fingers," &c., are very largely made flop Cultivation. 21 use of in Kent, being put on during the winter at a cost of from 31. 15s. to 4Z. 10s. per acre. Of manures used in the spring and summer there are many kinds. Special hop manures are numerous, made of various pro- portions of superphosphate, kainit, nitrate of soda, or sulphate of ammonia, which hop planters had better manipulate for them- selves, as they will then know they are pure and in the desired proportions. Eape dust, however, is the most valuable manure, and by far the most generally adopted for summer priming. It appears to suit all localities, and gives a quick, continuous and rich supply of nitrogenous food to the plants just when they require stimulating most. From 8 to 15 cwt. per acre are put on round the hills and dug or hoed in. Guano is also approved of in some localities, and nitrate of soda in dry seasons. In very many cases hop land is manured well in the winter, and again in the summer, particularly if there is any indication of weakness or flagging energy in the plants. Basic slag has been tried with some advantage in soils not abundantly supplied with phosphoric acid, as, for instance, those in the Weald of Kent and Sussex. As Sir John Lawes has pointed out, there can be no question concerning the efficacy of slag as a cheap substitute for superphosphate. Cultivation. Hop land is dug by hand in the late autumn and winter with the spud (fig. 4), and farm-yard manure, rags, shoddy, fish, and other heavy manures are dug in then. It is thought best by many planters to dig as early as possible, especially if there is much chickweed, Stella/ria media, the most common and troublesome weed in hop plantations, which takes much out of the land in mild and open winter seasons. In some districts hop land is ploughed, Fig. 4.— Hop Spud. but as the poles are placed in conical stacks, like wigwams, at regular intervals upon the ground, a large part cannot be got at by the plough, nor can the spaces between the hills be touched — one way at least. Ploughing is a very unsatisfactory process, and in the end is nearly as expensive as .digging, and should only be" adopted when labour is scarce. Hop land is somewhat extensively ploughed in Herefordshire, "Worcestershire, and Sussex. Directly the poles are up and the bines out of the way a large 22 Hop Cultivation, shim ' or horse hoe (fig. 5) is put deeply into the ground, drawn by two and in some districts by three horses, to break it up FiS. 5.— Hop Shim. thoroughly. After this a smaller horse-hoe or nidgett (fig. 6) drawn by one horse is held to be sufficient by many planters, ^5'Wcy^j^^''" FiQ. 6.— Niflgett. and is used at intervals during the season, deeply at first and until the middle or the end of July, in order to get a deep tilth of triturated soil — " crumb," as it is termed. Some planters ' A " shim " means in some districts a very strong horse-hoe for two or more horses, or steam, in deep soils without rock and stones. flop Oultivation. 23 continiaally stir hop land deeply througliout the summer. Others stir in this way until the middle of July, and only very lightly afterwards, in order not to disturb or break through the net- work of fibres running through the soil just beneath the surface in every direction. In summer it is unlikely that the soluble elements of manures could be washed down to the roots of the hop plants, and it would seem that these fibres are the only means of conveying the manurial elements to them. No one who has not seen the masses of these delicate fibres, mere fila- ments, traversing every part of the surface soil in a well-cultivated and well-manured hop ground, would believe in this extraordi- nary provision of nature. It would seem to be utterly wrong to deliberately disturb this host of foragers, yet it is the practice of some planters to have the nidgetts put in deeply just when the fibres are in full work, and tear them up in quantities. The reason for this has never been logically demonstrated, and it would appear to be more rational to let the fibres work without interruption, and to Fig. 7.— The Canterbury Hoe. merely skim the ground in the late summer with nidgetts having wide hoes to keep down the rapidly-growing weeds. Nidgetts do not cover all the ground, as they cannot be drawn close to the poles. A space around the hills must be tilled by hand. This is dug round with the spud, directly after the poles are set up. After this it is prong-hoed with the Canterbury hoe, an admirable tool (fig. 7), once or twice during the summer. If the ground is hard, and weeds are very rampant, the ordinary " plate " hoe is used. Manure, as rape dust, is fre- quently chopped in with the Canterbury hoe in summer. On some very extensive hop farms shimming, or nidgetting, is done by steam, especially at first, when the ground is hard and weatherbound. This is arranged as in the case of ordinary steam-ploughing and scarifying. The object of all enlightened planters in these days is to get as good a tilth as possible, and to have a depth of at least a foot of triturated earth in every part of the ground, for the fibres to work in, and for absorbing and retaining heat and moisture. 24 Hoj} Cultivation. Earthing. Earthing, or putting earth over the stocks between the poles, is done by placing four or five shovels of fine earth over them in June to keep the bines in their places and to ensure a growth of roots for cuttings, or sets. It also stops the extraneous growth of bines from the stocks, which would exhaust them, and keeps them in their places. Washing for Aphis Blight. This has become in recent years almost a necessary opera- tion, as the " hop fly," or aphis, known by the systematic name of Phorodon humuli, makes its appearance every season. This aphis, called by Lance " the barometer of poverty," ' before methods of preventing its increase were discovered, often changed in a few weeks the appearance of the whole of the plantations, from the prospect of a bounteous crop to the black- ness of utter blight. For instance, in 1823, the aphides were so persistent that only 1 cwt. 1 qr. 5 lb. were grown per acre. In 1825, the worst attack on record, only 1 cwt. 8 lb. were yielded per acre. Until 1860 there were no means known, in any degree eflBcacious, of checking the progress of these aphides, and the planters bore the periodic inflictions without seriously attempting to avert them. The practice of washing or spraying the plants with insecticides, or insectifuges, was introduced about thirty years ago, and it is now regularly adopted by planters as soon as there are signs of blight. It has been found by experi- ence that directly aphides are seen on the plants, washing should be at once commenced, because of their extraordinary power of reproduction described by Professor Owen as follows : — The first formed larva of early spring procreates not one, but eight larvse like itself in successive broods, and each of these larvse repeats the process ; and it may be again repeated in the same geometrical ratio until a number which figures only can indicate and language almost fails to express is the result.'' If the aphides once get ahead, it is most difficult to clear them off, and at the same time the plants have lost sap and become unhealthy from their action. Spraying, or washing, as it is gene- rally called, must be repeated again and again, if fresh aphides appear. During the last three or four years, some planters have washed their hop plants all over three and even four or five times in the same season. This entails an expense of at least 21. per acre ' The Hop Farmer. By J. Lance, 1838. •' Owen On Partlienogenesis. Van Voorst : London, 1849. Hop Cultivation. 25 each time of washing. If water has to he fetched from distances this expense is, of course, increased. Water has heen laid on for the purpose by some planters to convenient places near their hop grounds. Quassia and soft soap solutions are generally made use of for washing, in the proportion of from 4 lb. to 8 lb. of soft soap, and the extract of from 8 lb. to 10 lb. of quassia chips to 100 gallons of water. The soft soap retains the bitter- ness of the quassia upon the bines and leaves, making them unpleasant for the aphides, which are thus starved out. Many of the winged as well as the wingless aphides are also washed off in the spraying process, and in the later stages the foulness upon the leaves, caused by the excreta and " honeydew " from the aphides, is removed, renewed health and vigour being given to the plants. But good managers now do not allow the aphides to remain long enough to produce this state. Soft soap, of the quantity required, is dissolved in a large tub of warm water, and the solution is well stirred. Quassia chips are boiled to extract their bitter principle. This extract and the soap solution are mixed together in proper proportions and put into the water-carts as they are brought alongside, nearly filled with water. The jolting of the carts on their way to the hop ground serves to mix the materials together. Upon smaller hop farms hand-washing machines are em- ployed, worked by three men — one to push the machine and pump, and one on each side with a long hose to distribute the wash over the plants. Other men bring the wash in pails to the machine, as required, from tubs set at the ends of the hop grounds. The machines used are large-sized garden engines, with strong pumps and broad wheels. A very useful machine of this kind is shown in fig. 8, p. 26, which, from its narrow shape, may also be utilized in fruit plantations. Various nozzles are used to distribute the liquid. Most have a simple aperture. Some have a chamber or arrangement to divide the stream and send it forth in spray. This is the proper method. In the use of single jets a great quantity of liquid is required. The main object is to cover every particle of leaf and bine surface with spray, or mist, and it is contended by many that forcing up single streams violently is a great waste of material, and dees not achieve the desired end. The Riley nozzle is a good nozzle, and there are several imitations and adaptations of this of more or less merit.' ' As to machines, nozzles, &c., see Methods of Preventing and Cltccldng the Attachi of Insects and Fungi. By Charles Whitehead. Published for the Royal Agricultural Society by John Murray, Albemarle Street. 6d. 26 flop Cultivation. Upon larger farms horse-machines are adopted. They are long tanks upon two wheels, fitted with strong pumps moved by the wheels, which force the liquid through rows of tubes having holes perforated in them, and adjusted so that the wash is sent up evenly over the plants. - ] In a horse hop-washing machine latelyjpatented by Mr. Muir- head, of Maidstone, rows of pipes, which' can be easily adjusted, having chambered nozzles, are substituted for the perforated tubes Fig. 8. — A Hand Hop-washing Machine. arranged in rows. This machine will distribute from 100 to 350 gallons per acre, being intended, as its name of " Mistifier " implies, to diffuse liquid in a dense mist. The ordinary horse hop-washing machines put on from 500 to 700 gallons per acre. There are two sizes of these machines, one requiring two horses and the other only one.' The expense of washing with these machines is not much less than by hand ; but the advantage of them is that a large ' The cost of horse hop-washing machines is from 35Z. to 48Z. Hop CiiUivation, 27 breadth of land can be got over quickly, and before the aphides can do any serious injury to the plants. It is difficult to explain the reason of the continuous visita- tions of hop aphides. It is supposed to be from the numbers of damson and plum trees that have been planted in many places in the vicinity of hop plantations ; as it has been demonstrated by Professor Eiley, the United States entomologist, that the winged female aphides migrate from the hop plants to damson and plum trees in the autumn, and place their eggs thereon. From these eggs, according to the great authority cited, winged viviparous females come in the spring, and fly to the hop plants, and begin at once to produce larvae, termed lice by hop planters. It is held by some that the larvae hibernate in or round the roots of the hop plants, as they have been seen upon young bines a,s early as March, WiEEWORMS. These do much harm, sometimes, to young hop plants, and may be entrapped by putting pieces of mangel wurzel, swede, potato, or rape cake round the hills, which must be examined, and the wireworms picked from them twice a week." Jumpers. The jumper, Euacanihns interruptics, a species of the Oicadse,* is most troublesome to the young bines, especially on light and stony soils. It pierces the bines with its sucking organ, or rostram, causing the sap to exude, and frequently much weakens the plants. Many can be taken by holding tarred boards near the pole's and tapping these with a stick, making the jumpers leap into the tar. Washing with soft soap and quassia mixed, as for aphides, has been found efficacious, and with soft soap and paraffin at the rate of 2 or 3 quarts to 100 gallons of water. Eed Spider. The Eed Spider, Tetranychus telarins, is most destructive in very hot summers. It gets under the leaves, extracts their sap, and makes them drop off. In Germany its action is called fire- blast — Kupfer-brand. As washing for aphis blight is now so generally adopted, it was hoped that red spider would not be the cause of serious injury, as it cannot bear moisture, but during the drought and heat of the season of 1893 the crop was ' Mimograph of BntuTi CicadcB- or TettigidtE. By George Bowdler Bnckton, F.R.S. 28 So^ Oultivation. materially affected by its action, especially upon the lightest soils, and those where the subsoil does not allow the roots of the hop plants to go deeply down, and where the land had been indifferently farmed. In the drought of 1868 hundreds of acres yielded no hops whatever, and all the leaves of the plants fell off. If the leaves of hop plants infested with red spiders are examined, quantities of very tiny mites, just discernible by the eye, will be seen on the undersides snugly covered with thick webs. Under the webs fastened to the leaves are round whitish eggs which can only be seen by the help of a strong pocket lens. The spiders, though called red spiders, are light green when young, with dark marks on the sides. They get darker when older, being in some cases almost brick-dust in colour. At first they have six legs only. After a stage of moult they have eight legs. They exhaust the juices of the plant, already weakened by drought, and cause the leaves to become yellow, and finally to drop off unless the temperature falls considerably, or soaking rains impart renewed vigour to the bine. Many washes were tried in 1893, bat in no case can complete success be recorded. Strong soft soap solutions made of from 8 to 101b. of soft soap to 100 gallons of water, with 3 pints of paraffin added, and strong soft soap solutions without paraffin were the best that were tried. It was necessary to repeat the washing two or three, and even more times. A com- position made by Mr. White, of Beltring, Kent, was said to be very efficacious. Sulphur soap obtained from the Ohiswick Soap Company was also useful. MacDougall's hop- wash was found to be of some avail. Carbolic acid at the rate of 3 pints to 2 quarts of acid, according to the state of the bine, to 100 gallons of water, with a little soft soap added, was also effectual in some degree.' The ordinary hop-wash of quassia and soft soap, so valuable against aphides, was of little- avail in the case of the red spider. It was found necessary to apply the washes with great force in order to break through the protective webs. Some planters irrigated their hop land with advantage. Other planters poured buckets of water round the hills. In parts of Tasmania hops cannot be grown unless the land is irrigated. Bines should be cleared away at once from infested land and burnt, and the ground well limed and dug early, so as to cover up the dead leaves soon. The land should be kept free from weeds, as the spiders hibernate upon many of these, as well as in the ground and probably upon the poles. ' It was found that applications of flowers of sulphur put on immediately after the plants had been washed with plain water by the horse machine proved of some benefit. Hop Cultivation. 29 Hop Flea. This insect, Haltica concinna, allied to the turnip flea-beetle, or turnip fly, Haltica nemorum, very often seriously attacks hop bines just after they have sent forth shoots, and completely stays their growth. Sometimes it follows the bine throughout the season, and finally gets into the cones and much injures them. To prevent their attacks, all old bines should be care- fully removed, as the fleas winter in them. The ground should be well pulverised, and soot and lime mixed and put on where the plants are attacked. The insects described above are those most troublesome to hop planters. There are others, but they need not be mentioned here, except a tiny fly, or rather its maggots, which do much mischief just when the cones are ripening, by mining their strigs, or stems, entailing premature and rapid decay. It is not known exactly to what species this fly belongs, and it is feared from its habits that there is no remedy against it. As it evidently hibernates in the ground in the vicinity of the hop hills, caustic applications might be of some use, but the larvae and pupae are most minute. Beneficial Insects. Among the insects that infest cultivated crops some are found to be most useful in reducing the numbers of those that are especially injurious. Unfortunately, it frequently happens that such valuable friends are not distinguished from foes, and either no attempts are made to encourage their increase, or they are recklessly confounded and destroyed with their bad com- panions. In the case of the hop plant, there are several kinds of insects peculiarly beneficial. Chief among these are some species of the Coccinellidce,^ whose dusky, six-legged larvae, termed " niggers " in the hop districts, devour aphides in all stages with the greatest voracity. Foremost among these " ladybirds " is the species distinguished as Goccinella septempunc- tata, which is red, with seven black spots. Its larva is half an inch long, having red and yellow marks upon it. The other species are smaller. One has only two spots ; another has four. In hot, dry weather ladybirds appear in great quantities. Their little conical yellow eggs can be seen fastened in groups of from six to twelve on the under sides of the hop leaves. From these, tiny larvae emerge, and immediately begin to scour the plants for aphides. Ladybirds should be preserved,"not only in hop- ' Profefsor Forbes of Illinois, U.S., found that some species of the Coaci- iieUidtB feed upon the sjo .es of certain fungi. 30 IIo^ Cultivation. producing districts, but everywhere, as they feed indiscriminately upon all kinds of aphides infesting field and garden crops, and although they may be sometimes rather unpleasant in houses, where they frequently hibernate, they should not be killed. Housekeepers often sweep them — these hetes d bon Dieu, as the French call them — from their winter retreats in the corners of sunny windows and behind window shutters, and other places, and, in barbarian ignorance, put them into the fire. There are two or. three species of ichneumon flies which destroy hop aphides by depositing eggs within their bodies at various stages of their life history. If aphides upon hop plants are examined, red spots can be often seen upon their backs. These are the larvse of ichneumon flies, in the act of consuming their hosts. Larvajof species of the Hemerobiidse (Lace-wing flies), notably Chrysopa perla, nearly three-quarters of an inch long, ugly- FiG. 9. — Syrphus pyrastri. !Ply aud larva, magnified. looking, and so ferocious and rapacious that the French term them lions des puaerons, also destroy quantities of aphides, and must not be mistaken for enemies. Another friend of the hop planter is the greenish larva of the large, pretty dipterous fly known as Syrphus pyrastri (fig. 9) . This larva is about three-fourths of an inch in length, with the ante- rior part of its body tapering to a point. Its mouth is provided with a three-pronged harpoon, by means of which it transfixes the aphides. After it has transfixed them, it flourishes them in the air ip a triumphant manner, and devours them with marvellous speed. Being without eyes, it makes sweeping motions on every side with its head, and nearly the whole of its body, as shown in fig. 9, in order to find aphides near to it. The quantity of aphides consumed by one of these larvae is extraordinary. It clears a hop leaf in a few mimjtes, and proceeds to another." Yet specimens of these have been sent to the writer with the Hop Cultivation. 31 suggestion that they were new foes of the hop plant. The larva of a kindred fly termed Syrplius halteatus is also useful, but is not so generally found in hop plantations. It may be stated here that the larva of 8yrphus pyrastri will eat almost every kind of aphis, and was found in exceeding quantities last year (1892) upon wheat plants infested with Aphis granaria. Mildew. Mildew, or mould, as it is usually termed by planters, is frequently a serious scourge, which not only reduces the crop but materially damages its quality, and there is not at present a remedy for it that is perfectly efficacious. Mildew is caused by the action of a fungus, styled scientifi- cally Splicerotheca castagnei or Podosphcera castagnei, belonging to the group of fungi known as Ascomycetes, and to its division of Erysipheee, according to De Bary's classification.' The vine mildew, Oidium Tuokeri, which causes much harm in French and German vineyards, also belongs to the group of the Erysiphae, but this must not be confounded with the other fungus, Feronospora viticola, far more injurious to vines than Oidium Tuckeri. This fungus is propagated by germs, or spores, carried in the air to the hop plants, upon which they speedily germinate, sending haustoria, or suckers, through the epidermis of the leaves. De Bary shows that the conditions necessary for the germination of the spores are pretty much the same as for seeds, namely, a certain temperature and a supply of oxygen and moisture. When the spores find congenial hosts, liyphse are put forth, forming the mycelium, an aggregation of white threads, which appears upon hop leaves attacked by the mildew. Haus- toria from the mycelium permeate the tissues of the leaves and live upon them.^ Much harm is not, however, occasioned by the fungus upon the leaves, but when the burr, or incipient cone, begins to form, it is frequently infected at once by the spores of the fungus from the leaves, which fasten upon its stalk and the bases of the forming bracts, and stop its growth, so that it ultimately shrivels up. Or the fungus attacks the fully-developed cones on their stalks and the bases of the bracts where there is a good supply of sap, reducing them to decay in a short time. After a while the whiteness of the mildew becomes brown from the formation of perithecia, or cases containing an ascus, or bag of eight spores, upon the mycelium. The spores remain ' Vergleiohende Morpliologie und Biohgie der Pihe. Von A. De Bary. 1884. ^ The hop fungus, Podosphara castagnei, is epiphytic, that is, it lives upon the plant and not within it, as the endophytic potato fungus, for example. 32 Hop GuUivation. in the bag until circumstances favour their further development. Do Bary points out that this period of rest coincides with periods' of vegetation and seasons in many fungi of this group, and it may be assumed that the resting spores of the hop mildew are dormant during the winter, as in the case of the rose mildew, Podosjphcera pannosa, resting in the asci or bags, upon dead hop leaves and bines, or upon the pieces of bine left on the stocks, or on weeds, such as groundsel, so prevalent in hop grounds', plantain, dandelion, and others, or upon the ground.' The asci may be carried in the air to the hop plants in the spring, and, bursting, deposit their spores upon the leaves. After these have established mycelia, or centres, continuous generations of spores will be discharged if the surroundings are favourable, and con- veyed by breezes to infect other plants. As is well known to planters, in some seasons mould does not "run : " that is, infection is not continued, from climatic influences, or other reasons that have not been determined. White spots appear on the leaves, but the cones escape ; while in other seasons infection is rapid and disastrous, extending from the leaves to the burr and cones. Prevention. — Hop bines from infected grounds should be burnt in order that all the asci upon them may be destroyed. Every particle of dead bine should be cut away in the early spring and burnt. Quicklime may be put over the hills in the winter. Sets or cuttings taken from plants that have been infected are very likely to spread infection. It is said that mould was introduced into Sussex with cuttings of new varieties. It would be well to dip suspected sets or cuttings in a solu- tion of sulphate of lime, or sulphate of copper ; or lime and sulphur mixed should be dusted thickly over them. Weeds should be kept from hop grounds, especially the dandelion. Taraxacum dens leonis ; groundsel, Senecio vulgaris ; and other composite plants ; and plantain, Plantago ; which are hosts of the fungus. Remedies. — Sulphur is the only remedy that has been found of any efficacy. This is largely used in Kent and Sussex, but not nearly so extensively in Hants, Surrey, Herefordshire, and Worcestershire. Some planters put on black sulphur, Sulphwr vivum, at first, and then finely-sublimated sulphur, flowers of sulphur. Others make use of flowers of sulphur only as being lighter and more adhesive to the leaves. This form of sulphur is much preferable, as it contains, if good, 95 per cent, of sul- phur, while the black common sulphur only contains 55 to 70 ' Mohl says the spores of the Erysiphese winter on the ground, as well as on the decayed leaves of their host plants. Ueher die Traubmkranltheit. Von Hugo Mohl, Botaniiche Zeitung, Berlin,1874. So]p OuUivation. §3 per cent, of sulphur. The application is made by day now, almost invariably, and as far as possible in sunshine. From 40 lb. to 60 lb. of sulphur are applied per acre at each sulphur- ing. When the plants are fairly up the poles, the first sulphur- ing is given. About three weeks or a month afterwards it is repeated, and frequently again three weeks later, if there is the least indication of mildew.' If mildew persists sulphuring is continued, and even when the cones are out — though this is avoided if possible, on account of the objection of brewers, who aver that the particles of sulphur retained upon the cones affect the fermentation of the beer. Sulphur acts by the evolution of sulphurous acid gas, which is destructive to fungoid life. The sulphur is volatilized by the influences of moisture and heat, and sulphurous acid gas is given off. In very cold, dull, summer seasons, the action of sulphur is most weak. In hot weather there is a considerable evolution of this gas, whose fumes can be smelt on passing by sulphured hop plants. It has been noticed that sometimes, in veiy hot, dry weather, the action of sulphur seems most ineffi- cient ; this is probably because there is not sufficient moisture to cause adequate volatilization. The uncertainty of volatilization and want of concentration of the sulphurous acid gas upon the fungus make sulphuring a rather unsatisfactory operation, and frequently entail the necessity of doing it over and over again, without apparent advantage. But it is the only remedy known that is in any way efficacious as against mildew ; and indepen- dently of this, its application to hop plants is considered to impart vigour to them in some mysterious manner, in the same way that sulphate of copper dressings preserve the green colour and luxuriance of potato plants. Sulphur is applied to hop plants by a machine drawn by a horse between the rows. This is light of draught, having two large wheels, upon which there is a hopper where the sulphur is placed. A fan within this, moved rapidly by cog-wheels con- nected with the travelling wheels, drives the sulphur through a blast-pipe, from which it is distributed in a dense wide-spreading cloud. An arrangement to regulate the supply can be adjusted while the sulphurator is moving. About five acres per day can be sulphured with this machine, which costs about 121. Sulphate of copper has been tried for hop mildew, but only to a very small extent. It would seem that a happy combina- tion of sulphate of copper with the soft soap and quassia solution ' This is the practice of the French wine-growers, who sulphur vines for the vine mildew three times at regular periods in the growth of the vine. 34 -Hbj3 OultivaUon. used for aphis blight ought to have the result of stopping both mildew and blight. Experiments in this direction will be made in the ensuing season. " Lewing." * Wind has a baneful effect upon hop plants when the burr is forming, and afterwards in all stages of the growth of the cones. It hinders their full development, and when they are getting ripe the heavy gales which invariably come towards the end of August make them brown by bruising them. Many kinds of screens, or '' lews," are adopted to lessen the force of the wind; some natural, as quick hedges, in parts of Kent, which grow as high as twenty to twenty-five feet in some districts, and rows of Lombardy and other kinds of poplar. Others are made of high poles set closely together, or of hop plants put as near to each other as possible, and trained up poles pitched close together round the outsides of hop grounds. Light cloth of a coarse mesh, made of cocoanut fibre, is stretched about twelve feet wide at about eight feet from the ground ^ upon wires fixed to perma- nent poles, in those parts of the hop ground exposed to the pre- vailing wind. Where considerable lengths of this are put up, strong posts are required at intervals between the poles, or the whole screen will go down with a mighty smash. " Lewing," or screening, in this way, is expensive, but it is now adopted by most of the large planters. Picking. Hops are not, as many suppose, distinct flowers, but strobiles, or collections of imbricated scales, or bracts, under which are yellowish, aromatic, lupulinic glands. These strobiles are like the cones of firs, being in reality the fruit of the hop- plant rather than its flower, which is inconspicuous and situated at the base of the bract. The time for picking these strobiles is indicated by their change from a light gold colour to a somewhat deeper hue, also by their closing up at the tips and making a rustling sound when touched. Their seeds are firm and dark-coloured when the strobiles are fit to pick. At the same time, it must be said that hops "go off" so fast in these degenerate days, and get brown so soon, that in many cases they have to be picked before they show these indications of ripeness. Light-coloured hops are in much demand also for ' In Pegge's Alphabet of Kentidsms, " lew " is given as meaning sheltered. The word is vised in Kent as a verb, noun, and adjective. ' This is generally made in wiclths of sxx. feet, and costs about a shilling per running yard. Hop Cultivation. 35 pale ales ; consequently many planters begin to pick as soon as the hops will take the fire, and before they are actually ripe, though this entails a sacrifice of weight and brewing power. Picking now generally begins from about the commence- ment to the end of the last week in August. In hot seasons early hops are ready even before these dates, such as Meophams, Prolifics, and White's Early Goldings. Bramlings follow on quickly in order of ripening. Then come Grapes and Goldings of various kinds. In Herefordshire and Worcestershire, after Meophams, etc., Bramlings and Cooper's Whites follow on, then Mathons and Puggle's. Planters, as far as possible, arrange their plantations so as to have a regular succession at picking time. As a rule, the picking season lasts about three weeks. Formerly it lasted five or six weeks, when brown samples were in considerable demand, but now these are difiicult to sell, and there is a general rush to get the hops picked as quickly as possible. The hop-picking season is a great harvest for the labouring classes in the hop districts, and all with one accord turn out to this work, which is light and pleasant. Besides the inhabitants proper, crowds of immigrants swarm to many of the hop- producing villages in Kent and Sussex from London, and in Herefordshire and Worcestershire from Birmingham, Wolver- hampton, and other large towns. In Hants and Surrey pickers come to the hop gardens from the neighbouring villages and small towns. At least 60,000 strangers come into Kent and Surrey from the courts and alleys of London and elsewhere by special " hoppers" " trains, at cheap rates, and by road. These are provided with lodgings, straw for bedding, faggots for fuel, and water for cooking and washing, by the planters. The lodgings are, ordinarily, rows of single rooms or compartments, seven feet by nine feet, each having a door, built of brick, or stone, or lath and plaster, with slate, tile, or corrugated iron roofs.' Some planters provide bell tents, but they are not quite fit for women and children in wet seasons. Cooking-houses are also provided, lean-to buildings with open fronts, with chimneys, and rows of hooks to hang cooking-pots upon. Accommodation for hop- pickers entails considerable expense upon the owners and occupiers of hop farms, especially as it is required by public opinion that this should be fit and proper for haman beings. -JJpon some farms in -Kent as many as 1,500 strangers are annually employed and housed. ' The Sanitary Authorities in the hop districts have codes of bye-laws regulating the accommodation for hop-pickers. C 2 36 Sop OuUivaUon. The pickers are told off in companies of eight to ten, under the charge of a " binman," who pulls up the poles for them, and holds the pokes, or sacks, when the measurer comes round to measure the hops picked. The binman cuts the bines about 3 ft. from the ground and pulls up the poles with a wooden lever with iron teeth, termed a "dog," and carries them to the pickers, who pick them into a bin, a long, light, wooden frame with a, sacking bottom, or in some places into a basket. It is a good method when hops are picked before they are quite ripe, or if the plants are weak, to cut the bines 5 ft. or 6 fb. high and push the part with hops upon it up and over the poles with forked sticks. By this the lower portion is kept to the poles, and the bines do not bleed or lose sap nearly so much as if they are cut close and lie on the ground.' This is extensively adopted in many of the hop-producing districts. Two pickers take one bin. Bins are used in many parts of Kent and in Sussex, Worcestershire, and Hereford. In East Kent the hops are picked into large baskets holding 5 bushels. In Hampshire and Surrey they are picked into baskets holding 7 bushels. When picked, the hops are measured from the bins or baskets into " pokes," " greenbags," or sacks, holding 10 bushels.^ The measurer, who measures the hops for six or seven companies, is accompanied by a boy who enters the number of bushels picked in a book kept by each picker, and also in a book retained by himself. Before a ground is picked, it is divided or set out into as many small " sets," or portions, of 100 hills, as there are com- panies, for which lots are drawn by each binman, so that there may be no wrangling over good or bad sets. It is necessary to supervise hop-pickers with close care and to see that they pick the hops free from leaves, and singly, and not in bunches. Leaves show in the samples and spoil their appearance ; besides, buyers object to pay for leaveSi Calculations as to the number of pickers required are based upon the amount of kiln accommodation upon each plantation and the probable out-turn of the crop in bushels. The price paid to pickers runs from l^d. to Sd. per bushel. The average price is 2d. per bushel. When the hops have been measured, they are taken to the oast-houses in the " pokes," " greenbags," or " sarpliers," and put on the kilns at once in the morning. In ' This practice is of very ancient origin, as Eeynolde Scot wrote in 1576. " Then you may with the forked ende thrust up or shove off all such stalks as rerdayne upon eohe hoppe poale." Op. (At- '^ In Hampshire and Surrey these sacks are called " sarpliers," and hold fourteen bushels. Hop Cultivation. 37 the evening, as the kilns are not free till past midnight, the pokes are placed upon scaffolds round the oast-house so that the hops may not heat, as they would if laid on the ground, which must be avoided. Drying. Everything depends upon the drying of the hops. They may be grown to perfection, being bright, aromatic and full of lupulin^ but if they are not dried enough, . or if they are too much dried, these qualities are sacrificed. It may be said that, as a rule, hops are dried too rapidly and at too high a tempera- ture. This is to a great extent necessitated by the limited amount of kiln accommodation, as kilns are expensive to build, and landowners somewhat naturally object to put up more than a certain number, as hop growing is a most speculative business and the kilns can hardly be turned to other purposes.' It is therefore the general practice to load each kiln twice a day, so that each loading gets about ten hours' drying. In these circumstances, •during almost the whole of this time of drying it is necessary to maiutain a high temperature of from 120 to 140 degs. Pahr. By this great and continuous heat a serious waste of valuable and •essential principle is entailed. Hops that are dried by sun heat and air in Germany have much higher percentages of essential oil, and other principles valuable in brewing, than the finest East and Mid Kent hops that have been dried at high temperatures. Spalt hops do not contain naturally a larger proportion of these principles than those of Kent ; but in the former the slow mode of desiccation preserves their intrinsic ■qualities, while in the latter the merciless treatment of stewing or baking to which many, of them are subjected causes the •absolute, visible loss of lupulin, or gold dust, besides the escape of ethereal essences. English hops dried slowly at a temperature never rising beyond 100° Fahr. were found on analysis to contain larger quantities of resin, oU, and bitter principles, and at the same time considerably less moisture, than Spalt hops dried by the same process. Worcester hops dried in this gradual manner were found to be infinitely richer in desired qualities, and to have far less moisture than those from Kent — East, Mid, and the Weald — Sussex, Bavaria, Belgium, and America, dried according to the ordinary practice. The kilns for drying hops are of simple construction, being occasionally square, but more frequently round chambers, from ' Hop kilns are occasionally used for malting barley for cattle food, for •drying com in the sheaf in wet seasons, and for storing apples. 38 Hop Cultivation. 16 to 20 feet in diameter, with stoves or fire-places in them, and from 14 to 18 feet high; at this height a floor of narrow joists or oast laths, an inch and a-half or so apart, is laid over the chamber. At this point the sharply-sloping roof commences, being carried up to an apex with a circular aperture of from two to three feet, upon which a cowl is fixed. The roof is from 20 to 26 feet high. A section of a kiln is given in fig. 10, B, in which the relative height of the various parts is indicated. The kiln or chamber is in some cases merely a room with open iron stoves in ifc, as shown in the two lower kilns of the ground plan D in fig. 11 , and in fig. 10, E, having holes at intervals in the walls just above the ground-level to allow the admission of cold draughts to drive up the hot air through the hops above. A B Fig. 10. — Section of Group of Kilns and OooUng Boom. Over the open stoves, iron plates are hung five or six feet from the floor, to break and distribute the volume of heat from the stoves. The cold air currents can be regulated by shutters over the draught-holes. It is better that the stoves in the chambers should be set in brickwork, forming an inner circle (fig. 10, A, and the two upper kilns in fig. 11), so that the hot air is more concentrated, while the cold draughts do not mingle with it directly and diminish its heat. Upon the floor of joists or oast laths horsehair cloth is nailed to prevent the hop dust from falling through, and to keep the hops from burning (fig. 10, a).' Welsh anthracite coals are generally used for drying. Coke is ' These figures of kilns and cooling rooms (10, 11, 12) were kindly drawn for the writer by Mr. Hubert Bensted, of Maidstone. Hcyp Cultivation. 39 mixed with these coals by some planters. In Worcestersliire and Herefordshire a good deal of coke is burnt. Charcoal is employed i^^\ _^ — _>^ 1^ Ko. 11.— Garand Floor of Kilns and Cooling Eoom. Fig. 12.— Upper Floor of Kilns and Cooling Eoom. 40 Sop Cultivation. extensively to keep the fires going, and many dryers put much on the fires, as it is considered that it makes the hops soft. For the first hour or two the fires are ashed up and allowed to glow gradually, so that the heat is increased slowly. A temperature of from 120 to 130 deg. Fahr., and even higher, is reached, and must be maintained in order to dry the hops, laid at from 8 to 10 inches thick upon the floors, in less than 12 hours, and so that the kiln may be loaded twice in the 24 hours.' This temperature, as has been pointed out before, is too high. The hops would be far better in every respect if they could be slowly desiccated at a temperature of from 80 to 100 deg. Fahr. But this would take 18 or 20 hours or more, and would necessitate a double amount of kiln accommodation, as the hops must be picked within a very short time. Sulphur is burned on the fires generally in all districts. It is put on soon after the hops are on the kilns, when they have begun to reek ; and again later on, when the hops are turned, another quantity is put on the fires. From 10 to 20 lb. of best " Virgin roll " brimstone are burnt for each kiln load. Sulphurous acid gas is generated from the burning sidphur, which has a strong acid reaction and has in a degree the effect of bleaching the drying hops. This action of sulphur, however, is limited, as the fumes being driven off by the air currents cannot be properly concen- trated upon the hops ; but planters have considerable faith in the virtue of sulphur fumes for imparting a yellow colour to the cones, and in bleaching those that have been made brown by sun and wind. The application of sulphur to drying hops does not injure them for brewing in any way. No sulphur is retained in or on the cones. This process must not be confounded with that of throwing up powdered sulphur over the plants for mildew, some of which may possibly be retained in the strobiles in cases where sulphuring is done when these are formed. Two kilns of 20 feet square, or of 18 feet diameter, would suffice for 20 acres of hop land. These, with suitable cooling rooms, would cost 500Z. If the hops are dried at a lower tem- perature, the kilns must be doubled. Several systems of drying hops at comparatively low tem- peratures have been introduced, some of which have been patented, but not one has been adopted extensively. The labe Mr. Hopkins, of Worcester, invented a process of drying by means of a rapidly-revolving fan, which drives currents of heated, air through the hops, arranged in two series of trays, one above the other. When the lower tray of hops is desiccated, ' As a rale, kilns are loaded about noon and midnight. Sop Cultivation. 41 it is drawn out and tlie upper tray is let down into its place. The hops are taken directly on the tray to the pressing machine, without having been trodden on, or turned, and without any loss of quality or flavour by the volatilization of oil and resin, and as whole as when they were picked. Upon ordinary kilns the hops have to be turned over while drying that they may all be thoroughly desiccated ; this naturally breaks them and causes the " gold dust," or lupulin, to escape ; and the process of clearing the kilns and of pushing the dried hops to the presses, in many cases a considerable distance, further disintegrates them. A kiln floor of wrought iron rods with strong iron supports has been patented by Messrs. Hether- ington, of Alton, arranged so that when the hops are dried the hair cloth upon which they are lying is drawn out by a drum with pulleys and chains, and the hops are delivered by the sides of the presses as whole as when they were put on, or they fall into a receiver, if the presses are distant, and are carried in it. Above the floor, and well above the level of the drying hops, a light tramway is fixed to carry a trolley for the dryer to get upon to see how the hops are drying, and to turn them without trampling on and breaking them. Very good samples have been seen from kilns fitted with this patent, the hops being whole and, consequently, having retained their lupulin. Pressing. Hops, after being dried, are now generally packed quickly into the pockets, and not left long to cool, as formerly. Extensive cooling rooms are therefore not required. No hops are trod into the pockets by men's feet in these days. They are invariably pressed into them by a machine, as shown in fig. 13. Pressing machines are made upon the same principle as that in fig. 13, and differ only in details.' A circular foot, just large enough to go into a pocket which is 3 feet in diameter, is fitted to a ratchet lever, worked up and down by handles. This is fixed immediately over the pocket hole cut in the floor of the cooling room. The pocket is fastened to a movable frame or collar, to keep it firm to the floor while it is being filled. After it is pressed full, the collar, is taken ofi" and the mouth sewn up. A " lug," or ear, is left on each side of the mouth. At the lower end two " comers " are made by putting a few, hops in and tying them tightly with string. According to Act. of Parliament (Vic. 29, cap. 87), the name of the parish in which the hops are grown • Pressing machines complete cost from HI. 10s. to 201. 42 flop Cultivation. must be legibly marked upon each pocket, together with its weight and the name of the planter. It is illegal to mix hops of different qualities and values. Pockets are made of coarse, thick sacking, costing about 4(^. per yard. They are rather over 6 feet long, and about 3 feet in diameter. When the crop is picked, the pockets are generally sent at once to the Borough, the great centre of the hop trade, either for sale, or to be kept properly in well-aired and well -ventilated store rooms. If the hops remain long in the store room attached to oast houses, they frequently become crusted from damp and want of aera- tion. For Fio. 13.— Hop Pressor. quiring great care and nicety. purposes a sample is taken from each pocket. Samp- ling is a delicate operation, re- A clumsy sampler will soon Hop Cultivation. 43 take off many shillings per cwt. from the look of the hops by want of skill in his manipulation. A good sampler, on the other hand, will give a good " face " to the samples, and make as much of the hops as possible. The process is as follows. The pocket is laid down with the seam side uppermost. The seam is cut a foot and a-half towards the middle of the pocket, its edges being fastened back with iron pins. An extractor with sharp knives and lever handles is thrust in, and a wedge of hops is drawn out. This is reduced with a sharp knife to a square of five or six inches by the sampler, who takes care to leave a smooth, uncut face. All the perfections and imperfections of management, colour, and character can be seen by the face, while the thickness, quantity of seed, " condition," and state of maturity at picking time, are indicated from the sides of the sample cleanly cut by the knives of the extractor. In a perfect sample the cones, as seen on the face> should be whole, with the strigs or stalks completely free from mois- ture, and the lupulin or " gold dust " adhering to the bracts. A very few leaves should be seen, and the cones should be single and not in bunches, and of a pale gold colour. An aromatic odour should pervade it, without the slightest trace of the sweet, " gingerbready " smell, like heated clover hay, indicative of too much fire. Upon rubbing down some of the sample in the hand, there should be no fibrous residue, but the whole should chaff finely, leaving a yellowish resinous deposit on the fingers. A well-managed and properly desiccated sample is most elastic, and can be compressed by the hand into a small compass, re- bounding to its original size when the compression is removed. This is a valuable indication of judicious drying. Many of the Kent and Sussex hops are sold by sample by factors in the Borough to merchants, who sell them to the brewers. Some are sold direct to brewers by the planters. This practice is becoming more frequent ; by it the planters save the factor's commission, and the brewers do not have to pay for merchant's profits. A certain part of the Hampshire and Surrey hop crop is sold at Weyhill fair in October.^ The rest is sent to London. In Herefordshire and "Worcestershire many planters take their hops to Worcester, where there is a hop market, and the hops are sold to merchants and brewers, and weighed at the public scales. ' A percentage of pockets representing each growth is "pitched" at Wey- hill fair In barns. 44 Hop Cultivation. The Cost of Hop Production. The cost of hop production has greatly increased within the last thirty years, on account of the enhanced price of skilled labour, the necessity of employing expensive methods to combat the attacks of insects and fungi, and the generally improved style of farming which has been rendered imperative in con- sequence of the competition of foreign countries. It costs from 20Z. to 25L to plant and establish an acre of hop land, including manure, ploughing, snbsoiling, setting-out, planting, purchase of sets, cultivating, rent, rates, &c. Some- times sets cost 10s. per hundred, which would be equal to 121. 10s. per acre for sets alone, but their average price is 5s., or 61. 5s. per acre for a six-feet square plant. Lance, in his Hop Fwrmer, put the cost of planting an acre of hop land at 18?., in 1838. Mr. Buckland estimated this at 221. 15s. per acre in 1845,' including draining. To this first cost must be added the amount for equipping the hop land with proper poles required at the end of the first year. This, as shown before, ranges between 20?. and 40L per acre, according to the sizes of the poles. Hop land costs close upon 35Z. per acre annually, taking an average of the whole of the districts. On highly-farmed hop land in East and Mid Kent the cost per acre often amounts to 401. per acre. The average cost, put at 35?., is made up of the items set forth in the following table. Annual Avekage Cost oe an Acre op Hop Land. £ s. d. Manure (winter and summer) , . . . 6 10 Digging 19 Dressing (or cutting) 6 Poling, tying, earthing; ladder-tying, stringing, lewing 2 3 Shimming, nidgetting, digging round and hoeing hills .300 Stacking, stripping, making bines, &c. . . 17 Annual renewal of poles 2 10 Expense of picking, drying, packing, carriage, sampling, sale, &c., &c., of an average crop, of, say, 7 cwt. per acre . . . . 10 6 Hent, rates, taxes, repairs of oast and tacks, interest on capital 6 Sulphuring 10 Washing, say " 2 Total .... ^£35 10 "> On tJie Farming of Kent. By George Buckland. Journal of the Eoyal Agricultural Society, vol. vi., 1st series, p. 287. " In the last few years washing has been done three or even four times, and sulphuring also. Sop Cultivation. 45 In 1798 Mr. Marshall put the yearly expense of hop land in Kent at 22Z. per acre, exclusive of all charges connected with picking, packing and selling, which he estimated at \l. per cwt.^ Mr. Mainwaring reckoned that the total cost of producing 8 cwt. of hops per acre in Worcestershire was 24Z. in 1855,* but practical Worcester planters say that a crop of 8 cwt. per acre now costs from 30Z. to 35Z. Profits and Prospects. Hop farming is a most speculative business, on account of the precarious character of the crop, and the heavy expenses connected with its production, as well as the peculiar fluctuations of the hop market, due in a great degree to the unsatisfactory practice of the chief part of the crop being sold by the growers in October and November, through factors, to a very limited number of hop merchants. These are, as a rule, men of large capital, and are able by action or inaction to influence materially the prices of hops, to some extent irrespec- tive of the positions of supply based on production, and demand based on the actual requirements for consumption. The growers in these circumstances frequently will not take prices thus offered, and in many cases miss the market, and have to take much lower rates later on. Sometimes large profits are made — of from 50Z. even to lOOZ. per acre — by fortunate individuals or good managers, who have grown large crops in seasons when the general yield has been short. Upon the whole, taking the average of the past few years, hop growers have fared better than other agricul- turists, and it seems probable that hop growing will continue to be remunerative if the growers do not extend their acreages beyond their capital and plant hops in unsuitable land, and if the foreign importations do not materially increase. The importa- tions have averaged 193,943 cwt.^ per annum during the last ten years. The chief importing countries are Belgium and Holland, from which quantities of hops of inferior quality are sent. America comes next, and Germany next. The following table shows the quantities of hops imported from each country into Great Britain in 1891, and their value : — ' Bwal Ebmwmy of the Southern Counties. By Mr. Marshall, 1798. 2 A Treatise on Sops. By T. Mainwaring, Worcester, 1855. » From the total available supplies of English and foreign hops imported into England, 127,920 cwt. of English and foreign hops exported from Great Britain during the last ten years must be deducted ; or 12,792 cwt. per annum. 46 Sop Cultivation. Hops Imported into Great Britain in 1891. Belgium and Holland . United States of America Germany France Russia Other foreign countries Total Cwt. £ 77,992 346,776 80,226 426,068 17,199 91,689 15,893 94,813 301 1,135 16 116 191,627 960,597 In 1892 the quantity of hops imported into Great Britain was 187,507 cwt. Their value, and the details as to the countries from which they were exported, have not yet been published. It is estimated that the total amount of hops grown in England during the last ten years, ending 1892, is equal to 4,852,381 cwt., or an annual average yield of 485,238 cwt. The quantity of hops required on an average for a year's con- sumption in Great Britain is estimated at between 600,000 cwt. and 650,000 cwfc. In order to show the extent of hop cultivation in the world, the figures published in 1892 by Messrs. Earth, German hop merchants, may be quoted. According to these, there are 287,395 acres of hop land in the world, of which 229,895 acres are in Europe, 55,000 in America, and 2,500 in Australia. A further interesting estimate, issued by Messrs. Barth, shows that the total produce of the world's hop land was 1,566,000 cwt. in 1892, while the total consumption of hops for the same year is put at 1,624,000 cwt. The prices of hops fluctuate exceedingly, ranging from 2Z. ] Os. to 5L per cwt. in abundant seasons, to 20Z., and even 30L iu those when the yield is very small. The average price of the last thirty years is about 7L, and if the average crop is reckoned at 7 cwt. per acre, there does not appear to be a large margin for profit, though some growers do far better than others in the same seasons, and in their turn they fare worse. Prices of hops also vary according to the district in which they are grown, and their variety. Generally East Kents make from 15s. to 25s. per cwt. more than Mid Kents, which are worth from 10s. to \l. per cwt, more than Weald of Kent and Sussex hops. Hants and Surrey hops range in value between Bast and Mid Kents, and Worcester and Hereford growths, as a rule, rank with the latter of these in price. Chables Whitehead. Spotlitwood* df Co. I^interSy New-street iSquart, London. BY THE SAME AUTHOR. METHODS OP PREVENTING AND CHECKING THE ATTACKS OF INSECTS AND FUNGI, CONTAINING PAETIOULARS OF INSECTS and FUNGI INJURIOUS to CROPS, INSECTICIDES and FUNGICIDES for* CORN, GRASS, and CLOVER CROPS, ROOT and VEGETABLE CROPS, FRUIT CROPS, HOPS, &c. BY CHARLES WHITEHEAD, F.L.S., F.Q.S. WITH TWENTY-SIX ILLUSTRATIONS. FOBTY PAGES, PRICE SIXPENCE. LONDON : JOHN MUEEAY, Albbmaklb Stbeet. 1891. BY THE SAME AUTHOR. ON Vegetable and Fruit Faming (WITH A CHAPTER ON PRESERVING). BY CHARLES WHITEHEAD, F.LS., F.G.S. SUMMARY OF CONTENTS. INTRODUCTION. VEGETABLE-GROWING. Cabbages — Onions — Carrots — Parsnips — Peas — Cauliflowers — Broccoli — Brussels Sprouts — Lettuces — Eadishes — French Beans — Scarlet Eunners — Celery — Marrows — Cucumbers — Tomatoes — other Vegetables and Herbs. THE CULTIVATION OF SEEDS. DATES OF ARRIVAL AND PRICES OF VEGETABLES. FRUIT-GROWING. Gooseberries — Eed Currants — Black Currants— Easpberries — Strawberries — Filberts and Cob-Nuts — Apples — Pears — Plums and Damsons — Cherries — Fruit for Jam-Making — Fruit Drying, NEW MODES OF DISPOSING OF FRUIT AND VEGETABLES. SEVEN ILLUSTRATIONS. S3 PAGES. Price Sixpence. LONDON : , JOHN MURRAY, Albemaklb Street. 1893. Elements of Agriculture j^ teszt-book: FOEPABED tJVDER THB AUTHOETTT OF THE ROYAL AGRICULTURAL SOCIETY OF ENGLAND. By W. FREAM, LL.D. CONTENTS. PART I.-THE SOIL. OBAP. 1. Obigin and Pbopbetibb of Soils. 2. Composition and Classification op Soils. 3. SOTTEtCBS OF Loss AND OF GAIN TO SOILS. 4. MoiSTiTEB IN Soils. 5. IMFBOVBMBNT OF SOILS. 6. TiLLAGB. 7. ImPLBMBNTS FOB WOEKING SOILS. 8. MANUBBS and MANT7BING. PART II.-THE PLANT. 9. Sbbds and thbib Gbbmination. 10. Stbuotttbb-and Functions of Plants. 11. Cbltivatbd Plants. 12. Wbbds. 13. Sblbction of Seeds. 14. IMPLBMBNTS FOB SBCUEING CBOPS, 15. Grass Land and its Managbmbnt. 16. Fabm Cbops. 17. Fungus Pbsts. 18. Insect Pests. PART IIL-THE ANIMAL. 19. Steuctubb and Functions op Fabm Animals. 20. Composition of the Animal Body. 21. Foods and Feeding. 22. The Aet op Bbbeding. 23. Houses : thbib Bbbbds, Feeding, and Management. 24. Cattle : thbib Bbeeds, Feeding, and Management. 25. Sheep : thbib Bbbbds, Feeding, and Management. 26. Pigs : thbib Bbbbds, Feeding, and Management. 27. The Fattening op Cattle, Sheep, and Pigs. 28. Daibting. Index of Plants. Genebal Index. Of all Booksellers. 486 pages, -with 2S6 Illustrations. Price THREE SHILLINGS AND SIXPENCE, bound in cloth. LONDON: JOHN MUERAT, ALBEMAELE STREET. ]%!&_ PUSr4lCiLTIOl!^S ROYAL AGRICULTURAL *SDCTStY OF ENGLAR QUARTERLY JOURNAL OF THE SOCIETY. Published on March 31, June 30, September 30, and December 31 1 Four Parts forming a Volume of about 1,000 pases. the; PRICE 3s. 6d. EACH PART. Prom tlie date of the original eatablisliment of the Royal Agricultural Society in 1838, til publication o£ the Journal has been one of its diatinotxve leatnres. Each quarterljr part coutaiil a numbsr of special articles and notes by competent writers on subjects connected with agriculfcurl stock-breeding, and rural economy generally. Reviews of books on agricultural subjects are all] given. During the year important official reports appear on scientific investigations conducted I or in connection with the Society, and on the various departments o£ the Oountry Meetings. TEXT-BOOK ON AGRICULTURE. EIiEMENTS OP AQKICirLTtrilE : a Text-Book prepared under tho authority i the Boyal Agricultural Society of England by W. Fream, LUD. 486 pp. with 256 lUa' tratioas. Price 3i. dd. bound in cloth. PAMPHLETS. Pamphlets by Bir John Bennkt LAwra, Bart. VALT7ATIOU OF TJNEXHAtrSTED MANUBES. By Sir JoHS BsaraET LAT9 Bart., LL.D., F.E.S., and J. H. Gilbert, LL.D., Ph.D., P.B.S. Price 6d. TABLES FOB ESTIMATIWO DEAD "W^EiaHT AND VALUE 01 OATTLB PROM LIVE WEIGHT. By Sir Johh B. Lawks, Bart. Price 1», VirrKRiNAKY Pamphlets by Pbofkssor G. T. Bhown, O.B., Director (if the Veterinary Department of the Board of Agriculture ; Principal of the Royal Veterinary College. DENTITION AS INDICATIVE OF THE AGE OF FABM ANIMALfl TMrd Edition (1881). 62 pp. With Sixty Illustrations. Price li. ANIMALS OF THE FABM IN HEALTH AND DISEASE. 88 ] With Fifty-two Illustrations. Second Edition (1892). Price U. THE STBtrCTTTBE OF THE HOESE'S FOOT AND THE PEINCIPLI OP SHOEING. Third Edition (1892). With Twelve Plates. 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