Farm-yard Manure ... Urine ... Composition of ... Dung ... Composition of ... Farm-yard Manure ... Composition of ... Management of Dung-Heaps ... Box-feeding ... Fermentation and application of Manure ... Liquid Manure ... Composition and application of ... Sewage Manure ... Its composition and application 166 CHAPTER IX. THE COMPOSITION AND PROPERTIES OF VEGETABLE MANURES. Rape-Dust, Mustard, Cotton and Castor Cake ... Composition of various Oil-Cakes ... Malt-Dust, Bran, Chaff, etc. ... Straw and Saw-dust ... Manuring with Fresh Vegetable Matter ... Green Manuring ... Sea-Weed ... Composition of various Sea-Weeds ... Leaves ... Peat 195 CHAPTER X. THE COMPOSITION AND PROPERTIES OF ANIMAL MANURES. Guano, different varieties of ... Average composition of ... Division into Ammoniacal and Phosphatic ... Characters of ... Adulteration of ... Application of ... Pigeons' Dung ... Urate and Sulphated Urine ... Night-Soil and Poudrette ... Hair, Skin, Horn, Wool, etc. ... Blood ... Fish ... "Fish-Guano"--Bones 204 CHAPTER XI. THE COMPOSITION AND PROPERTIES OF MINERAL MANURES. Mineral Manures ... Sulphate and Muriate of Ammonia ... Sulphomuriate of Ammonia ... Ammoniacal Liquor ... Nitrates of Potash and Soda ... Muriate and Sulphate of Potash ... Chloride of Sodium, or Common Salt ... Carbonates of Potash and Soda ... Silicates of Potash and Soda ... Sulphate of Magnesia ... Phosphate of Lime ... Bone-ash ... Coprolites ... Apatite ... Sombrero Guano ... Superphosphates and Dissolved Bones ... Biphosphate of Lime or Soluble Phosphates ... Phospho-Peruvian Guano ... Lime ... Chalk ... Marl ... Application and Action of Lime on Soils ... Sulphate of Lime or Gypsum 226 CHAPTER XII. THE VALUATION OF MANURES. The Principle on which Manures are valued ... Its application to different simple and complex Manures ... Method of Calculation ... General Remarks 255 CHAPTER XIII. THE ROTATION OF CROPS. Its necessity explained ... Quantity of Mineral Matters in the produce of an Acre of Different Crops ... The Theory of Rotation 266 CHAPTER XIV. THE FEEDING OF FARM STOCK. The Principles of Feeding ... The Composition of different Animals in different stages of Fattening ... The Composition of the Food of Animals ... Milk ... The Principal Varieties of Cattle Food ... General Observations on Feeding 276 AGRICULTURAL CHEMISTRY. INTRODUCTION.