FIELD crop ecology 

 - East Lansing  Michigan State University  2010 
 - vi, 86 pages. 
<br/><br/><label>ISBN: </label>187490 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural ecology
<br/><br/><label>Dewey Class. No.: </label>577  / FIE