R.S. Dixit <br/><br/>
Cropping System Research 

 - Ludhiana  Kalyani Publishers 
 - 120p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>81-272-0246-0, Reprint 93-272-8991-6 
<br/><br/><label>Dewey Class. No.: </label>630.2  / DIX