Martin, John H. <br/><br/>
Principles of field crop production 

 - 4th 
 - New Jersey  Prentice Hall  1949 
 - xxi,954p.    25cm 
<br/><br/><label>ISBN: </label>0130259675 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>Field crops<br/>Crop production
<br/><br/><label>Dewey Class. No.: </label>633.0973  / MAR