Wilson, Harold K. <br/><br/>
Grain crops/ 
Harold K. Wilson 
 - New York:  McGraw-Hill,  c1948 
 - 384 p.:  ill.;  21 cm. 
 - Mc Graw-Hill Publications in the Agricultural Science .
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Grain<br/>Grain--Diseases and pests<br/>Crop rotation<br/>Grain--Varieties
<br/><br/><label>Dewey Class. No.: </label>633.1