Yawalkar, K. S. <br/><br/>
Manures and fertilizers 
by K. S. Yawalkar J. P. Agarwal and S. Bokde 
 - 3rd rev. ed. 
 - Nagpur  Agri-Horticultural Publishing House  c1972 
 - viii,300p.; 24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers <br/>Agriculture--Fertilizers--Use
<br/><br/><label>Dewey Class. No.: </label>631.81  / YAW