Mitchell, Roger L., 1932-  Mitchell, Roger L., 1932- <br/><br/>
Crop growth and culture 
[by] Roger L. Mitchell. 
 - [1st ed.] 
 - Ames,  Iowa State University Press  [1970] 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0813803772 
<br/><br/><label>LCCN: </label>72088006 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Growth (Plants)<br/>Agriculture.
<br/><br/><label>LC Class. No.: </label>QK731  / .M57 
<br/><br/><label>Dewey Class. No.: </label>581.1/34