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

 - 2nd 
 - New York:   The Macmillan Company,   1967 
 - ix, 1044p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture 
<br/><br/><label>Subjects--Index Terms: </label>Crop products Wheat  
<br/><br/><label>Universal Decimal Class. No.: </label>633.002  / K7