. Dairy farming : being the theory, practice, and methods of dairying. Dairy farms; Dairy plants; Milk plants. CHAPTER XI. AND TREATMENT OF TIIK Sori, ON DaIRY-FaHMS. The ExhaTistion of SoilsâIts CausesâGeneral Method of Prevcniion and Operation of Jlanurcs Explained -Table showing Con- stituents of lianures and of PlantsâDeticiencies of Farni-jard ManureâSpecial Requirements of a IJairj-FarmâExperiments in \\'atcr-Culturc with Jlineral Mantires-Their Practical LessonsâUse of LimeâImprovement of Grass LandâCakeâManure âTiUi^jeâA Good Top-dressingâFarm-yard ManureâBox-feedingâManure
. Dairy farming : being the theory, practice, and methods of dairying. Dairy farms; Dairy plants; Milk plants. CHAPTER XI. AND TREATMENT OF TIIK Sori, ON DaIRY-FaHMS. The ExhaTistion of SoilsâIts CausesâGeneral Method of Prevcniion and Operation of Jlanurcs Explained -Table showing Con- stituents of lianures and of PlantsâDeticiencies of Farni-jard ManureâSpecial Requirements of a IJairj-FarmâExperiments in \\'atcr-Culturc with Jlineral Mantires-Their Practical LessonsâUse of LimeâImprovement of Grass LandâCakeâManure âTiUi^jeâA Good Top-dressingâFarm-yard ManureâBox-feedingâManure CellarsâAn American KxanipleâI'sual Waste of Farm-yard JIanureâNeed of More Covered YardsâManure Worth CareâMeans of Preventing the V ji^l''/^' " \ Vv'asle of Ammonia, and of Increasing the BulkâCompost. 'Ci^. HE exhaustion of soils is a pro- â¢eess â «'ith whose effect eveiy farmer is familiar, thoiio'h but few farmers are familiar with ; the details of the method hy , \, â which the effect is produced. It is e\4deut that, with an exhaustive system of cropping, or from A\ ant of that periodical assistance which the bulk of land requires, soils gratlually become poorer, until at length they cease to yield a profitable return. It is not only on arable laud or on meadow laud which Composition of Fertile and of Barren Soils. Barren Land. Barren Peat. Good blacksaiidy Loam. Good Loam. Wafer Orffanic matter ... Phosphoric acid ... Sulphuric acid ... Potash Soda Lime JIagnesia Alumina Silica Chlorine Oxide of iron 2 0 1-80 â 60 â¢80 92-50 2-84 4o.'> 89-14 a trace -17 4-18 â¢23 3-42 9-30 -31 -u 2-23 1-98 1-34 -96 10-25 67-29 -68 213 2-47 911 â¢29 â¢14 2-73 1-39 2-27 1-05 17-69 68-14 â¢54 4-20 100-00 Totals 100o4 10000 100 00 is not adequately manured that this exhaustion occurs, but the great bulk of pasture land, especially that which is depastured by young stock, also becomes inii)overished in course of time, unless it i
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