Gupta P.K. <br/><br/>
Hand Book Of Soilfertilizer And Manure 

 - 2nd 
 - Agrobios Of India  2004 
 - 591p.  Paper 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Science
<br/><br/><label>Dewey Class. No.: </label>631.42  / GUP