Yawalkar,K.S. <br/><br/>
Manures & Fertilisers 
By K.S.Yawalkar 
 - 11/ed 
 -  agri-horti cultureral Pub. 
 - 2011 
<br/><br/> Agriculture 
<br/><br/><label>ISBN: </label>81-900392-2-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture