SOIL FORMATION, COMPOSITION, ETC. 91 



are excellent. For Southern conditions, soy beans and 

 cowpeas for summer crops, and vetch, oats, and rye for 

 winter, are most easily grown, though crimson clover, red 

 clover, and burr clover are excellent when established. 

 At the North, the clovers are favorites, because they may 

 be included in the regular rotations. 



