Gupta,PK <br/><br/>
A Handbook of Soil Fertilizer & Manure 
By P K Gupta 
 - 02/ed 
 - Jodhpur  Agrobio India  2015 
 - 563 
<br/><br/> Agriculture 
<br/><br/><label>ISBN: </label>978-81-7754-415-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture