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El control de la contaminacion por nitratos en el regadio

Author

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  • Martinez, Yolanda Martinez
  • Karaj, Skender Uku
  • Murillo, Jose Albiac

Abstract

RESUMEN - En este artículo se analizan los efectos de algunas políticas de gestión del agua y de las técnicas de riego sobre el rendimiento de las actividades de cultivo y la contaminación del agua en la zona de regadío de Flumen-Monegros. El análisis se basa en la obtención de la respuesta del rendimiento de los cultivos al agua de riego y al abonado de nitrógeno. Las funciones de rendimiento se estiman mediante el programa de crecimiento de cultivos EPIC que incorpora información de las características locales de clima, suelo, manejo y sistema de riego de las actividades de cultivo. En los resultados se examina la relación entre los rendimientos y el uso del agua y del nitrógeno, y se cuantifica el coste para los agricultores de la reducción de la contaminación. El coste de reducción de la contaminación depende del cultivo y del tipo de medida aplicada, y estos costes tienen una gran importancia para el diseño y la eficiencia de las medidas de reducción de la contaminación. SUMMARY - This paper analyzes the effects of some water management policies and irrigation systems on crop yields and water pollution, in an area located in the Flumen-Monegros irrigation district in Huesca (Spain). The analysis is performed using water and nitrogen crop response functions, which are estimated with the EPIC crop growth package. The estimation of response for the crop activities incorporates information on local climate, soils, crop management and irrigation systems. The relationship between yields and water and nitrogen input use is examined, in order to quantify the pollution reduction cost faced by farmers. The costs depend on the particular crop and the pollution abatement measure, and information on these costs is important to design efficient pollution abatement measures.

Suggested Citation

  • Martinez, Yolanda Martinez & Karaj, Skender Uku & Murillo, Jose Albiac, 2002. "El control de la contaminacion por nitratos en el regadio," Economia Agraria y Recursos Naturales, Spanish Association of Agricultural Economists, vol. 2(02), pages 1-17.
  • Handle: RePEc:ags:earnsa:28762
    DOI: 10.22004/ag.econ.28762
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    Keywords

    Environmental Economics and Policy;

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