TY  - GEN
AU  - 
AU  - Indian Agricultural Research Institute
TI  - Investigations on sustainability of rice-wheat cropping system (NARP-basic research on rice-wheat cropping system): Final report 1992-1996 / by Indian Agricultural Research Institute
PY  - 0000///[n.s.]
CY  - New Delhi
PB  - Indian Agricultural Research Institute
ER  -