TY  - BOOK
TI  - All India coordinated research project on long term fertilizer experiments: annual progress report 1980-81 & 1981-82
U1  - ICAR/IARI/1981-82 
PY  - 1983///
CY  - New Delhi
PB  - Division of Soil Science and Agricultural Chemistry
N1  - Indian Council of Agricultural Research
ER  -