Higher productivity in agriculture :  proceedings of the National Symposium on "Approach to Higher Productivity of Crops" held at the Ramakrishna Mission Institute of Culture, Calcutta, during May 19-20, 1978 / 
edited by D. K. Das Gupta and N. C. Chattopadhyay 
 - New Delhi :  Oxford & IBH,  c1980 
 - viii, 178 p. ;  22 cm. 
<br/><br/><label>ISBN: </label> Rs. 45.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Congresses--India<br/>Crop yields--Congresses--India<br/>Agricultural productivity--India--Congresses
<br/><br/><label>Dewey Class. No.: </label>338.10954