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Estimation of determinants of total factor productivity of millets in Karnataka: An application of parametric approach

Total factor productivity indicates the contribution of noninputs to the growth of agricultural productivity. In this study, the estimation of total factor productivity of millets in Karnataka and returns to investment in research in Karnataka is attempted. For the study, the time series data on the cost of cultivation was collected from farm management reports, published by Directorate of Agriculture, Government of Karnataka. The Tornqvist Theil index of TFP is used for measuring TFP growth. Regression analysis was employed to identify sources of TFP growth. The result reveals that the total factor productivity index of jowar grew at an average of 1.18 and ragi at 0.92 percent per annum. Government expenditure on agriculture research and extension, the ratio of N to P and cropping intensity are the factors significantly contributed to TFP growth in jowar and ragi in Karnataka. The total factor productivity in jowar and ragi registered marginal growth in Karnataka. Hence, the Government should allocate substantial funds to public research for productivity improvement and awareness creation on the usage of the N to P ratio would increase the productivity growth of millets in Karnataka. | Estimation of determinants of total factor productivity of millets in Karnataka: An application of parametric approach