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Showing items 1 through 9 of 6.
  2. Library Resource

    Estudio sobre la orientacion de surcos en la siembra de frijol en los municipios de San Gil y Villanueva (Santander)

    Reports & Research
    December, 1991
    Colombia, South America, Central America

    Thirty bean lots, belonging to 28 farmers, were monitored in the municipalities of San Gil and Villanueva. Short interviews were conducted with the farmers to determine why they use certain types of furrows and their perception of erosion processes. Lots were divided into 3 groups: furrows down the slope, furrows across the slope, and inclined furrows. Results indicated that farmers who plant across the slope or with inclined furrows try to avoid or reduce soil erosion, leaching of fertilizers, and crop damage, and manage soil moisture.

  6. Library Resource

    Ordenación de cuencas hidrográficas

    Journal Articles & Books
    December, 1991
    Nepal, France, Bolivia, Colombia, China
    Land, Climate Change & Environment
    Forest Tenure
    environment
    forestry
    natural resources management
    deforestation
    land management
    land improvement

    Para que produzcan los resultados apetecidos, las actividades de ordenacin de cuencas hidrogrficas han de incorporar hidrologa forestal, conservacin de suelos y aguas y planificacin del uso de la tierra en un marco lgico ms amplio que tome en consideracin no slo los fenmenos fsicos, sino tambin los factores econmicos, sociales e institucionales. En este nmero, Unasylva examina varios aspectos de la ordenacin de cuencas hidrogrficas.

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