G. Dev <br/><br/>
Balanced fertilizer use for increasing foodgrains production in nothern state ( Punjab, Haryan, Uttar Pradesh, Himachal Pradesh, 

 - Gurgaon  Potash phosphate institute o f canada India programme  1992 
 - 266p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>631.8  / PPIC