TY  - BOOK
AU  - Das, D K.
AU  - Sarkar,K.R
TI  - Maximising crop production in rainfed and problem areas
U1  - 631.3/DAS 
PY  - 1989///
CY  - New Delhi
PB  - Indian Society of agricultural Science
KW  - Agricultural productivity
KW  - Crops and climate
ER  -