TY  - GEN
AU  - Bhattacharya,R.
TI  - Nitrogen efficiency in rice as affected by urea applied in combination with farmyard manure or green manure using 15N
KW  - Nitrogen
KW  - Rice
KW  - Urea
KW  - Farmyard manure
KW  - Green manure
KW  - Field experimentation
KW  - Transplanting
KW  - Mineralization
KW  - Leaching
KW  - Soil chemicophysical properties
ER  -