INDEX 



507 



Wheat, hard and soft, 111 



harvesting and marketing, 132 

 insect enemies, 139 

 market grades, 133, 486 

 origin of varieties, 117 

 pasturing, 130 

 production of, 3, 104, 105 

 soils for, 123 

 spelt group, 116 



Wheat, score cards for, 135 

 seed, 128 

 regions, 114 



spring and winter, 107, 

 study of types, 120 

 winter-killing, 128 



White clover, 408 



Zea mays, species of, 47 



119 



