Boone,Lester V. <br/><br/>
Producing farm crops/ 
Lester V. Boone. 
 - 4th ed. 
 - Danville, Ill. :  Interstate Publishers,  1991. 
 - xiv, 377 p. :  ill., maps ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0813428742 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Field crops.<br/>Field crops--United States.
<br/><br/><label>LC Class. No.: </label>SB185  / B66 1991