Mitchell Roger L <br/><br/>
Crop growth and culture 
Mitchell Roger L 
 - Ames Iowa   The Iowa State University Press       1970 
 - viii,349p.  cm. 
<br/><br/> Includes bibliography 
<br/><br/><label>Standard No.: </label>51298 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>J, L01