Das P.C. <br/><br/>
Manures and fertilizers 
P.C. Das 
 - Kolkata  Kalyani publisher  2006 
 - xvi;232p.  ill;ReferencesAppendices 
<br/><br/><label>ISBN: </label>9788127240721 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers<br/>Manures
<br/><br/><label>LC Class. No.: </label>S633.5  / .D37 2006