Chapman, Stephen R. <br/><br/>
Crop Production :  principles and practices / 
Stephen R. Chapman and Lark P. Carter. 
 - San Francisco :  W. H. Freeman,  1976. 
 - 566 p. :  ills. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>323  323 
<br/><br/><label>ISBN: </label>0-7167-0581-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Field and plantation crops.--America. 
<br/><br/><label>Dewey Class. No.: </label>633 / C366c