Proceedings of the international symposium on soil fertility evaluation. Vol. 1 (editorial board) J.S. Kanwar; N.P. Datta; S.S. Bains    (Book) 

 - New Delhi  Indian Society of Soil Science  1971 
 - 1117p.  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil fertility--Congresses
<br/><br/><label>Universal Decimal Class. No.: </label>631.45(061.3) PRO  / 7984