Dr. Parmeshar Singh <br/><br/>
Soil organic matter in sustainable agriculture 

 - c.1  
 - India  Oxford book campany  2018 
 -  c.1  .
<br/><br/><label>ISBN: </label>9789350303221 
<br/><br/><label>Dewey Class. No.: </label>Cir.631.4/M6s/2018/c.1   / 4023