Proceedings of the international symposium on soil fertility evaluation. Vol. 2[editorial board: J.S. Kanwar ; N.P. Datta ; D.R. Bhumbla    (Book) 

 - New Delhi  Indian Society of Soil Science  1971 
 - 157 p.  24 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  / 5521