GUPTA , M.K . <br/><br/>
HANDBOOK OF ORGANIC FARMING AND FERTILIZERS  

 - JAIPUR:  ABD PUBLISHERS,  2007. 
 - 220.:  20CM. 
<br/><br/><label>Subjects--Index Terms: </label>Agriculture. & related technologies 
<br/><br/><label>Dewey Class. No.: </label>630 GUP