CONTENTS xV 
PAGE 
Corn. . . . io se a> 03 eos . 248 
Sorghums . . . ci . . A . . . 244 
Lucern or Alfalfa . 3 : ‘: . . < ‘ . 247 
Other Leguminous Crops. 3 eo . % . 249 
Trees and Shrubs . ‘ . ‘ c 3 é c . 251 
Potatoes - . i g ‘ - ‘ . . 264 
Miscellaneous . . 5 . ‘ a . : . 254 
CHAPTER XIII 
Tue ComposiTion oF Dry-Farm Crops . 7 . . 257-279 
Proportion of Parts of Dry-farm Plants ; . 3 » 258 
The Water in Dry-farm Crops. é . i : . 262 
The Nutritive Substances in Crops : : F . 264 
Variations in Composition due to Witler-capely é . . 267 
Climate and Composition . 3 f : . 271 
A Reason for Variation in Companion, - i . 274 
Nutritive Value of Dry-farm Straw, mh and. Blau ‘ » 275 
Future Needs F F ‘ és : is 5 . 277 
CHAPTER XIV 
MAINTAINING THE SOIL-FERTILITY : - : : - 280-300 
The Persistent Fertility of Dry-farms . i * . . 283 
Reasons for Dry-farming Fertility 3 . . . . 286 
Methods of Conserving Soil-fertility . - . 4 . 292 
CHAPTER XV 7 
IMPLEMENTS FOR DRY-FARMING . ‘i * pi 3 . 801-327 
Clearing and Breaking . : ‘ 7 A ; - . 802 
Plowing : . . . 7 . 805 
Making and Maintaining a Soil Mulch - é F ‘ - 810 
Subsurface Packing F - ‘ s 3 : js . 3816 
Sowing . - - : : . . . . es . 817 
Harvesting . . . . . . . 3820 
Steam and Other Motive Bower ‘ . . “ e . 3821 
