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Mostrando ítems 1 a 9 de 4.
  1. Library Resource
    Informes e investigaciones
    Diciembre, 1980
    Etiopía, África, África oriental

    Description of the socioeconomic organization of the Borana pastoralists with particular reference to the Gada System and the traditional well organization.

  2. Library Resource
    Artículos de revistas y libros
    Diciembre, 1980
    Indonesia, Estados Unidos de América, Filipinas, Uganda, China, Italia, Asia

    An international journal of forestry and forest industries

  3. Library Resource
    Artículos de revistas y libros
    Diciembre, 1980
    Benin, Nigeria, Zambia, Malí, Ghana, Congo, Sierra Leona, Níger, Colombia, Kenya, Liberia, Japón, Camerún, Chad, Senegal, Sudán, Togo, Côte d'Ivoire, África

    Policy makers as well as scientists have started to acquire an honest appreciation of the possibilities of reducing the wastage of materials which could be profitably utilized for improving or maintaining soil productivity. In addition, the great opportunities offered by making more efficient use of the potentials of biological nitrogen fixation in farming systems are now fully recognized. A number of recommendations and suggested guidelines were made by the various Working Groups during the two-week Workshop.

  4. Library Resource
    Artículos de revistas y libros
    Diciembre, 1980
    Kenya, Estados Unidos de América, Bélgica, Japón, República Dominicana, México, Tanzania, India, Bulgaria, Países Bajos, Venezuela, Costa Rica, Barbados, Brasil

    Methods for evaluating nutrient status in order to obtain better plant growth and increased yield are constantly being developed and improved. New analytical techniques and procedures for soil and plant analysis have been invented and tested in many countries and laboratories. There have been innovations in data processing leading to preparation of more refined and specific fertilizer recommendations. The purpose of the Consultation was: i.

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