TY  - GEN
AU  - Chaudhary,M.K.and Harrington,L.W.
TI  - The rice-wheat system in Haryana: input-output trends and sources of future productivity growth
SN  - 9789686923117
PY  - 1993///
CY  - Mexico
PB  - International Maize and  Wheat Improvement Center
KW  - Cropping systems
N1  - "Sustainability of the rice-wheat system in South Asia."--Cover
ER  -