Singh, S.S. <br/><br/>
Soil fertility and nutrient management. 
S.S. Singh 
 - 3rd 
 - Ludhiana  Kalyani Publishers  2011 
 - 251p.:ill.;  Hbk 
<br/><br/><label>ISBN: </label>9788127269982 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil fertility<br/>Soil nutrients--Management
<br/><br/><label>LC Class. No.: </label>S590.S5 2011