GUPTA, P.K. <br/><br/>
A HAND BOOK OF SOIL FERTILIZER AND MANURE  

 -  INDIA, AGROBIOS  2015 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil Science
<br/><br/><label>Dewey Class. No.: </label>631.85  / GUP/A