TY  - BOOK
AU  - Raychaudhuri,Satya Prasad
TI  - Problems of fertiliser use and crop production
U1  - 631.8/0954 
PY  - 1975///]
CY  - New Delhi
PB  - Economic and Scientific Research Foundation
KW  - Fertilizers
KW  - India
KW  - Crop yields
KW  - Grain
ER  -