Delorit, Richard J. <br/><br/>
Crop production/ 
Richard J. Delorit, Louis J. Greub and Henry L. Ahlgren 
 - 4th ed. 
 - New Jersey:  Prentice-Hall,  c1974 
 - 744 p.:  ill.;  21 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0131947613  $ 14.60 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crops<br/>Crop science<br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>631.5