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Resultados de la búsqueda

Mostrando ítems 1 a 9 de 22.
  1. Library Resource
    Documentos de política y resúmenes
    Diciembre, 1996

    Cotton farmers in the Piedmont region incorrectly believe conservation systems with winter cover crop and no-till cultivation yield less than conventional systems. We model the effect of organic matter on productivity and show how ignoring this effect causes returns to be underestimated. Farmers with imperfect information underinvest in residue management.

  2. Library Resource
    Artículos de revistas y libros
    Diciembre, 1996
    Malí, Suecia, Canadá, Italia

    This issue of Unasylva considers some of the issues related to forest-dwelling and forest-dependent people, and particularly their role in and relationship to sustainable forest management.

  3. Library Resource
    Artículos de revistas y libros
    Diciembre, 1996
    Kenya

    The relationship between land ownership and the sustainable use of natural resources is examined within the context of constitutional change in Africa. Using Kenya as an example, it is demonstrated that current constitutional arrangements put excessive emphasis on the protection of private property rights without requiring the corresponding duty of ecological stewardship. This has resulted in the failure of government policies and development practices to fully integrate environmental considerations into growth strategies.

  4. Library Resource
    Legislación y políticas
    Marzo, 1996
    Sudáfrica

    To provide for security of tenure (land) of labour tenants and those persons occupying or using land as a result of their association with labour tenants; to provide for the acquisition of land and rights in land by labour tenants; and to provide for matters connected therewith. WHEREAS the present institution of labour tenancy in South Africa is the result of racially discriminatory laws and practices which have led to the systematic breach of human rights and denial of access to land

  5. Library Resource
    Artículos de revistas y libros
    Diciembre, 1996

    En el presente nmero de Unasylva se examinan algunas de las cuestiones relacionadas con la poblacin que vive en los bosques y depende de ellos, y en particular su participacin en la ordenacin forestal sostenible.

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