Yawalkar, K S <br/><br/>
Manures and fertilizers 

 - 2nd ed. 
 - Nagpur:   Agri-Horticultural Publishing House,   1967 
 - viii, 288p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Subjects--Index Terms: </label>Agriculture 
<br/><br/><label>Universal Decimal Class. No.: </label>I 631.8   / K7