Résultats de la recherche | Land Portal

Résultats de la recherche

Showing items 1 through 9 of 4.
  1. Library Resource
    Articles et Livres
    décembre, 1982
    Égypte, Nigéria, Iraq, Australie, Ghana, Congo, Sierra Leone, Cameroun, Nouvelle-Zélande, Rwanda, Philippines, Afrique du Sud, Viet Nam, Japon, Madagascar, République-Unie de Tanzanie, Inde, Roumanie, Brésil, Cuba

    In view of the continuing increase in cost and scarcity of mineral fertilizers resulting from the use of high-cost fossil energy, there is renewed interest in organic recycling and biological nitrogen-fixation to improve soil fertility and productivity. The workshop in Alexandria recommended the further promotion of research, development, application and dissemination of information available on various aspects of biological nitrogen-fixation, including symbiotic systems of rhizobia/legume and Azolla/blue-green algae, and free-living nitrogen-fixing bacteria and blue-green algae.

  2. Library Resource
    Articles et Livres
    décembre, 1982
    Indonésie, Kenya

    Revista internacional de silvicultura e industrias forestales

  3. Library Resource
    Articles et Livres
    décembre, 1982
    Égypte, Suisse, Japon, Viet Nam, Chili, Jordanie, Chine, Allemagne, Indonésie, Brésil, Argentine, Inde, République de Corée, Hongrie, Thaïlande, Asie, Afrique

    This Bulletin contains the papers and proceedings of the FAO/SIDA Workshop on Organic Materials and Soil Productivity in the Near East. In view of the important complementary effect of organic materials to mineral fertilizers and their role in improving the soil?s physical properties, the Workshop has dealt with a wide variety of items on techniques and uses of the organic materials and wastes including, composting, bio-fertilizers and biogas, the environmental and health aspects, and action guidelines for follow-up activities in the Near East countries.

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