Das, Guru Sharan <br/><br/>
Soil fertility / 
Guru Sharan Das 
 - 258pages :  illustrations 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9789351112020 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil fertility
<br/><br/><label>LC Class. No.: </label>S599.5   / DAS 2014