Somani L.L. <br/><br/>
Soil and fertilizers at a Glance 

 - 2nd 
 -  Agrotech Pub. Academic., Udaipur  2004 
<br/><br/><label>ISBN: </label>0-12-017654-8 
<br/><br/><label>Dewey Class. No.: </label>631.4SOM