Abstract
Recent studies indicate that Rice-Wheat System in the Indo-Gangetic Plains is now facing a number of stresses resulting in slowdown in productivity growth. It is now important to study and empirically verify through in depth analysis the observed trend, yield growth, instability, total factor productivity and sustainability of yield. In this context, the present study has been carried out with following specific objectives; (a) to estimate total factor productivity in rice and wheat to calculate sustainability (b) to study the yield trend and instability in rice and wheat in IGP region. Major changes in yield was observed in UP and Punjab. Bihar had no significant changes during the period under reference. There is a scope to increase in all districts of Bihar.
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