Subba, rao N.S. <br/><br/>
Biofertilizers in Agriculture 

 - 2nd 
 - New Delhi  Oxford Ibh Publications   1988 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Biofertilizers
<br/><br/><label>Dewey Class. No.: </label>631.4