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Inter-Temporal Impacts of Technological Interventions of Watershed Development Programme on Household Welfare, Soil Erosion and Nutrient Flow in Semi-Arid India: An Integrated Bioeconomic Modeling Approach

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  • Swamikannu, Nedumaran
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    Abstract

    A dynamic and non-linear bioeconomic model, incorporating both economic and biophysical aspects was developed for a micro-watershed to assess the impact of key watershed management technological interventions (like HYVs and soil and water conservation structures) on social well being of rural poor and condition of natural resource base. The simulation results revealed that productivity enhancing technologies of dryland crops has increased the income for all the farm household groups and also provided incentive to farmers for conserving land resulted in less soil erosion and the nutrient mining in the watershed. The increase in the irrigated area in the watershed has improved the income of the household by cultivating more area under high value irrigated crops and has negative impact on natural resource by increasing soil erosion and nutrient mining in the watershed. The results clearly indicated that care should be taken while developing technologies for watershed development to avoid promotion of conflicting technologies. Preferably, those technologies that have multiple impacts in terms of meeting both welfare of the farmers and sustaining natural resources objectives must be prioritized.

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    File URL: http://purl.umn.edu/50785
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    Bibliographic Info

    Paper provided by International Association of Agricultural Economists in its series 2009 Conference, August 16-22, 2009, Beijing, China with number 50785.

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    Date of creation: 2009
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    Handle: RePEc:ags:iaae09:50785

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    Keywords: Bioeconomic model; watershed development; productivity enhancing technologies; Environmental Economics and Policy; Land Economics/Use;

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    1. Kerr, John & George, P.J. & Pangare, Ganesh & Pangare, Vasudha Lokur, 2000. "An evaluation of dryland watershed development projects in India:," EPTD discussion papers 68, International Food Policy Research Institute (IFPRI).
    2. Barbier, Bruno, 1998. "Induced innovation and land degradation: Results from a bioeconomic model of a village in West Africa," Agricultural Economics, Blackwell, vol. 19(1-2), pages 15-25, September.
    3. Barbier, Bruno, 1998. "Induced innovation and land degradation: Results from a bioeconomic model of a village in West Africa," Agricultural Economics: The Journal of the International Association of Agricultural Economists, International Association of Agricultural Economists, vol. 19(1-2), September.
    4. Holden, Stein & Shiferaw, Bekele & Pender, John, 2005. "Policy analysis for sustainable land management and food security in Ethiopia: a bioeconomic model with market imperfections," Research reports 140, International Food Policy Research Institute (IFPRI).
    5. Johannes Woelcke, 2006. "Technological and policy options for sustainable agricultural intensification in eastern Uganda," Agricultural Economics, International Association of Agricultural Economists, vol. 34(2), pages 129-139, 03.
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