CONTENTS xiii 



Manure. Losses of Nitrogen in Manure-making — 

 Unavoidable or due to wasteful Methods. Composi- 

 tion of Farmyard Manure from various Sources. Care 

 of Farmyard Manure. Farmyard Manure as a 

 Fertiliser. Value of Farmyard Manure. Valuation of 

 Manure Residues derived from the Consumption of 

 Purchased Feeding Stuffs. Cost of Farmyard Manure 224 



CHAPTER XIII 

 ARTIFICIAL MANURES AND FERTILISERS 



Nature of a Fertiliser. Fertilisers containing Nitrogen — 

 Nitrate of Soda, Sulphate of Ammonia, Soot — their 

 Use and Value. Fertilisers containing Phosphoric 

 Acid. Bones, Superphosphate or Acid Phosphate, 

 Basic Slag or Phosphate Powder, Ground Rock 

 Phosphate. Potash Fertilisers. Guanos. Industrial 

 Residues. Tankage. Action of Fertilising Ingredients 

 upon Crops. Expenditure on Fertilisers. Character of 

 Fertiliser required for particular Crops. Valuation of 

 Fertilisers ....... 248 



CHAPTER XIV 



MILK, BUTTER, AND CHEESE 



Composition of Milk. Variations to which the Composition 

 of Milk is subject. Effect of Individuality, Breed, Food, 

 Time of Milking, Period of Lactation. Feeding for 

 Milk. Composition of Butter. Nature of the Churn- 

 ing Process. Effect of various Foods upon the Quality 

 of the Butter. Composition of Cheese. Changes 

 taking place during the Cheese-making Process. The 

 Ripening of Cheese. Importance of Cleanliness in all 

 dealings with Milk . . . . . 269 



Index ........ 291 



