Metcalfe, Darrel S. <br/><br/>
Crop production  : principles and practices 

 - 4 ed. 
 - New York :  MacMillan,  1980 
 - 774 p.  : ilus 
<br/><br/><label>LCCN: </label>34736 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cultivos.
<br/><br/><label>Dewey Class. No.: </label>633  / M4 1980