TABLE OF CONTENTS 



CHAPTER XVII. 



Wind-breaks 143-153 



Benefits — objections — results — evaporation — 

 frosts — varieties — experiments. 



CHAPTER XVIII. 

 Atmospheric Drainage 154-155 



CHAPTER XIX. 



Mulching 156-161 



Where used — effects — theory — methods- — value — 

 amount — roots — dangers. 



CHAPTER XX. 



Cover Crops 162-188 



Generally — soil building — natural methods — bene- 

 fits — dangers — legumes — selections — alfilaria — 

 barley — broom corn — buckwheat — corn — em?ner 

 — grasses — kaf fir corn — kale — millet — oats — 

 rape — rye — sorghum — spelt — turnips — wheat — 

 alfalfa — beggar weed — berseem — bur clover — 

 Canada peas — common vetch — cow peas — crim- 

 son clover — hairy vetch — horse beans — Japan 

 clover — mammoth clover — peanuts — red clover 

 ■ — soy beans — sweet clover — tangier peas — vel- 

 vet beans — white clover. 



