Cox, Joseph Frank. <br/><br/>
Crop management and soilo conservation 

 - New York :  Wiley,  1937 
 - 610 p.  : ilus. 
<br/><br/><label>LCCN: </label>31379 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultura--E.U.A.<br/>Cultivos.<br/>Suelos--Conservación.
<br/><br/><label>Dewey Class. No.: </label>633  / C69