Soil, water, and crop production / 
[edited by] D. Wynne Thorne, Marlowe D. Thorne. 
 - Westport, Connecticut :  AVI Publishing Company,  c1979. 
 - ix, 252 pages :  Illustrations ;  24 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0870552813 
<br/><br/><label>LCCN: </label>78021145 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural ecology.<br/>Agricultural geography.<br/>Agriculture.<br/>Cropping systems.
<br/><br/><label>LC Class. No.: </label>S589.7  / .S64 
<br/><br/><label>Dewey Class. No.: </label>630/.27/45