CROP PRODUCTION 



6 7 

 Is it clean? Is it 



the right kind or variety? Will it grow? 

 free from infection? 



There are usually many kinds and varieties of plants 

 included in any farm crop. There are, for example, as many 

 as 1000 varieties of wheat. Bread wheats are subdivided, 

 according to hardness and color, into soft white, soft red, 



A B 



Results of a germination test of crimson clover seed. 

 A. Poor seed. B. Good seed. (U.S. Dept. of Agriculture.) 



medium red, hard winter, and hard spring. Each of these 

 subdivisions is composed of many varieties. For instance, 

 the medium red wheats include such varieties as Fultz, 

 Lancaster Red, and others. The point to be kept in mind is 

 that many kinds and varieties of most farm plants are 

 available, thus making it possible to select the one best 

 suited to the conditions of production on a particular farm. 



