CONTENTS XV 



PAGR 



Complete Fertilizers 129 



Cost, Valuation and Analyses, p. 129; Home-Mixing of 

 Fertilizers, p. 131; How to Determine What Fertilizers to 

 Use, p. 132. 



Barnyard Manure .' 135 



Importance of Manure, p. 135; Value of Manure, p. 135; 

 Factors Influencing the Value of Manure, p. 138; Fertilizing 

 Value of Food and Manure, p. 138; Amount and Value of Ma- 

 nure Produced by Farm Animals, p. 139; Losses of Manure, 

 p. 140; Application of Manure, p. 144. 



Green Manure 147 



Questions and Problems 148 



Laboratory Exercises 151 



Collateral Reading 152 



CHAPTER VII 



SOME IMPORTANT FARM CROPS 154-243 



Relative Importance of the Different Crops of the World, p. 154; 

 Relative Rank of the Different Crops in the United States, 

 p. 155. 



Corir: 156 



Historical, p. 156; Corn Crop of the World, p. 156; Rela- 

 I tion of Climate to Corn-Production, p. 157; Why We 

 / Raise Corn, p. 159; Types of Corn, p. 161 ; Fertilizers for Corn, 

 \p. 163; Plowing for Corn, p. 163; Fitting the Land After 

 Plowing, p. 166; Planting, p. 166; Tillage After Planting, 

 p. 169; Harvesting Corn, p. 171; Corn Silage, p. 171; Prin- 

 ciple of the Silo, p. 172; The Silo, p. 173; Growing Corn for 

 the Silo, p. 174; Feeding Silage, p. 176; Uses of Corn, p. 177. 



Wheat 178 



Importance of Wheat, p. 178; Types of Wheat, p. 179; Cul- 

 ture of Wheat, p. 180. 



Oats 181 



Meadows and Pastures 182 



Cultural Methods, p. 182; Hay and Pasture Plants, p. 184; 

 Timothy, p. 184; Kentucky Blue-Grass, p. 185; Red-Top, 

 p. 186; Awnless Brome Grass, p. 186; Tall Meadow Fescue, 



