Hutcheson, Thomas Barksdale. <br/><br/>
Production of field crops  : a textbook of agronomy 

 - 4 ed. 
 - New York :  McGraw-Hill,  1953 
 - 495 p.  : ilus. 
<br/><br/><label>LCCN: </label>52197 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cultivos.
<br/><br/><label>Dewey Class. No.: </label>633  / H88 1953