Yield of traditional rice varieties

Green revolution in India had started with agenda of increasing grain production after independence. To increase grain production the following were done 1. Increasing farm area 2. Irrigation facilities with big dams and channels so that instead of single crop 2 crops could be cultivated comfortably 3. Introduction of HYVs (High Yielding Varieties) which matured in short duration and produced heavy yield under chemical fertilisers.
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