Martin, John H <br/><br/>
Principles of Field Crop Production 

 - 4th ed. 
 - New Jersy  Pearson Prentice Hall  2006 
 - xxi, 954p 
<br/><br/><label>ISBN: </label>0130259675 
<br/><br/><label>Subjects--Index Terms: </label>Agriculture Field Crop 
<br/><br/><label>Dewey Class. No.: </label>630