Gupta, P.K. <br/><br/>
A handbook of soil, fertilizer and manure / 
P.K.Gupta 
 - 2nd enl. ed. 
 - India :  Agrobios,  2011 
 - 564 p. :  ill. ;  22 cm. 
<br/><br/><label>ISBN: </label>9788177541526 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants--Nutrition-- Handbooks, manuals, etc.<br/>Soil fertility
<br/><br/><label>Dewey Class. No.: </label>631.422