Das, Guru S. <br/><br/>
Soil fertility management / 
Guru Sharan Das. 
 - New Delhi :  Random Publications,  2014. 
 - 291 pages :  illustrations ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9789351112020 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil fertility.