Bhumbla, D.R. <br/><br/>
Guide-book on fertilizer use/ 
D.R. Bhumbla, N.S. Randhawa and Bhagwan Das; edited by Ravinder Kumar Sethi 
 - Ludhiana:  Punjab Agricultural University,  1966 
 - 102 p.:  ill.;  22 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers<br/>Soil fertility<br/>Fertilizers--Application<br/>Spraying and dusting in agriculture
<br/><br/><label>Dewey Class. No.: </label>631.8