TY  - GEN
AU  - Vidyasagar,G.E.Ch
TI  - Studies on direct and residual effects of green manures in combination with wheat straw and fertilizers N in rice mustard cropping system under upland conditions
KW  - Green manures
KW  - Wheat
KW  - Rice
KW  - Musturd
KW  - Cropping systems
KW  - Chemical fertilizers
KW  - Pollution
KW  - Productivity
KW  - Yields
KW  - Nutrients
KW  - Field experimentation
ER  -