K.W. Tiwari <br/><br/>
Review and refinement of fertilizer recommendations for principal crops in uttar pradesh 

 - Haryana  Potash and Phosphate Institute of Canada  2000 
 - 88p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>631.8  / TIW