350 



FIELD CROPS 



seeds which are important articles of food for man and for 

 animals, as peas, beans, soy beans, and cowpeas. They add 

 variety to the rotation; and as they are seldom attacked by 

 the same insects and diseases which trouble that other 

 important family of crop plants, the grasses, they furnish 



Fig. 109. Young plant of red clover, showing tubercles 

 on the roots. 



