TY  - GEN
AU  - Jacob,S.P.
TI  - Studies on nitrogen economy in rice as affected by crop residues
KW  - Nitrogen
KW  - Rice
KW  - Residues
KW  - Field experimentation
KW  - Green manures
KW  - Fertilizer application
KW  - Cropping systems
KW  - Spikelets
ER  -