Fergus, E. N. <br/><br/>
Field crops management 

 - Chicago, Ills. :  J. B. Lippincott,  1942 
 - 600 p.  : ilus. 
<br/><br/><label>LCCN: </label>67539 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cultivos.<br/>Suelos y cultivos.
<br/><br/><label>Dewey Class. No.: </label>633  / F4