Mitchell, Roger L. <br/><br/>
Crop growth and culture 
Roger L. Mitchell 
 - Lowa:  Lowa State University,  1970. 
 - 349p. 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>0813803772 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>Farm produce 
<br/><br/><label>Dewey Class. No.: </label>631.5  / MIC