xiv CONTENTS 



CHAPTER VI 



PAGES 



Corn — Races and Varieties 112-126 



Laboratory Exercises, 125 ; Literature, 126. 



CHAPTER VII 



Corn — Breeding or Improvement 127-149 



Laboratory Exercises, 148 ; Literature, 149. 



CHAPTER VIII 



Corn — Soils, Rotations, and Fertilizers . . . 150-157 

 Soils, 150 ; Rotation, 151 ; Fertilizers, 153 ; Laboratory 

 Exercises, 157; Literature, 157. 



CHAPTER IX 



Corn — The Tillage or Cultivation .... 158-188 

 Laboratory Exercises, 188 ; Literature, 188. 



CHAPTER X 

 Corn — Harvesting ........ 189-205 



Laboratory Exercises, 204 ; Literature, 205. 



CHAPTER XI 



Corn — Enemies . . . ." 206-216 



Insects, 206 ; Fungous Diseases, 214 ; Laboratory Exer- 

 cises, 216 ; Literature, 216. 



CHAPTER XII 



Rice — Oryza sativa 217-230 



Laboratory Exercises, 229 ; Literature, 230. 



