TY  - BOOK
AU  - 
AU  - Das Gupta,Dilip Kumar
AU  - Chattopadhyay,N.C.
ED  - National Symposium on "Approach to Higher Productivity of Crops"
TI  - Higher productivity in agriculture: proceedings of the National Symposium on "Approach to Higher Productivity of Crops"
PY  - 1980///
CY  - New Delhi
PB  - Oxford & IBH
KW  - Agricultural productivity in India
KW  - Crop yields
N1  - Papers and Abstracts
ER  -