DECOMPOSITION ANALYSIS OF INCOME DIFFERENCE BETWEEN ALTERNATE FURROW IRRIGATION AND FURROW IRRIGATION IN CULTIVATION OF COTTON IN MALAPRABHA COMMAND AREA OF KARNATAKAShreeshail Rudrapur, B.L. Patil, M.T. Sharmaa and S.L. Patil
The present study was conducted in the Malaprabha command area as many scientific irrigation methods were implemented by the RKVY project. The required data were collected from the 35 farmers each practicing alternate furrow irrigation method (scientific) and furrow methods of irrigation (traditional) in the cultivation of cotton. The data were analysed using the output decomposition model developed by Bisaliah (1977). The study revealed that the adopters of scientific irrigation technology produced 18.85 per cent higher income from alternate furrow irrigation than furrow irrigation. The increase in the income was further decomposed into different sources of change such as adoption of scientific irrigation technology and changed input levels. The scientific irrigation technology alone could contribute 36.51 per cent increase in income, while the contribution of change in input levels was found to be negative (-17.66 per cent). Amongst the various inputs, fertilizers (-0.37 per cent), and cost of irrigation (-25.93 per cent) contributed negatively where as seed (3.01 per cent), human labour (4.42 per cent), bullock and machine labour (0.75) and farm yard manure (0.45 per cent) contributed positively to the income.
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