TY  - GEN
AU  - 
AU  - Kumar, V., ed.
TI  - Soil fertility and fertiliser use
PY  - 1989///
CY  - New Delhi
PB  - Indian Farmer Fertiliser Cooperative
KW  - Soil Fertility
KW  - Fertility Use
N1  - Vol. 3 : Usea super granules for increasing nitrogen use efficiency
ER  -