TY  - GEN
AU  - Grewal, J.S
AU  - Kanwar, J.S
TI  - Potassium and ammonium fixation in Indian soils
SN  - NULL
U1  - 631.410954 
PY  - 1976///
CY  - New Delhi
PB  - ICAR
KW  - SOIL CHEMISTRY
KW  - Soil science
ER  -