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

 - 5 ed. 
 - New York:  McGraw-Hill,  1959 
 - 453 p.  : ilus. 
<br/><br/><label>LCCN: </label>60472 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cultivos.
<br/><br/><label>Dewey Class. No.: </label>633  / H88 1959