Sahai, V.N. <br/><br/>
Fundamentals of soil. 

 - Ludhiana :  Kalyani,  1990. 
 - vi, 301pages : illustrations. 
<br/><br/><label>ISBN: </label>8127211974 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil Organic farming.