CONTENTS V 



CHAPTER IV— Farm Manures 35-47 



Kind of Manure. Conditions Affecting the Value of 

 Manure. The Age of the Animal. The Use of the 

 Animal. The Kind of Bedding and Amount Influences 

 the Value of Manure. Straw. Leaves. Sawdust. Peat. 

 Absorptive Power of Bedding. Hor.se Manure. Cow 

 Manure. Hog Manure. Sheep Manure. Hen Ma- 

 nure. Analyses of Farm Manures. How to Calculate 

 the Amount of Manure Produced. The Nature and 

 Amount of Feed Used Affects the Value of Manure. 

 Lasting Effect of Manure. Care, Preservation, and 

 Use of Manure. Waste of Manure. Leaching. Fer- 

 mentations. Keep Manure Moist. Composting Ma- 

 nure. Store Manure Under Cover. Preservatives. 

 Physical Effects of Manure. Manure Produces a Bet- 

 ter Moisture Condition. It Improves the Texture of 

 the Soil. It Prevents Mechanical Loss by Winds. It 

 Benefits Grass Land. Bacteriological Effects of Ma- 

 nure. Time to Apply. Amount to Apply. How to 

 Apply. 



CHAPTER V High Grade Nitrogenous Materials.. 48-59 

 Forms of Nitrogen. The Meaning of the Form of 

 Nitrogen. The Vegetable Substances. Cotton-Seed 

 Meal. Composition of Cotton-Seed Meal. Value of 

 Cotton-Seed Meal. Linseed Meal. Castor Pomace. 

 The Chief Animal Substances. Dried Blood. Tankage. 

 Grades of Tankage. Variation in Tankage. Azotin. 

 Steamed Horn and Hoof Meal. Dry Ground F'i.sh. 

 King Crab. Guano. Ammonium Sulphate. Compo- 

 sition and Availability. Nitrate of Soda. Composition 

 and Properties of Nitrate of Soda. Calcium Nitrate. 

 Calcium Cyanamid. Properties of. Fertilizing Value of. 



CHAPTER VI Low Grade Nitrogenous Materials 



and Functions of Nitrogen 60-69 



Raw Leather Meal. Dissolved Leather. Feather 

 Waste. Hair and Fur Waste. Mora Meal. Beet 

 Refuse. Scutch. Horn and Hoof Meal. Wool Waste, 

 Shoddies, Etc. Garbage Tankage. Dried Peat. Avail- 

 ability of Nitrogenous Materials. Value of Low Grade 

 Materials. Use of Low Grade Materials is Increasing. 

 Nitrogenous Materials to Use. Functions of Nitrogen. 

 Excessive Nitrogen Invites Diseases. 



