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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Library ResourceArticles et Livresdécembre, 1980Kenya, États-Unis d'Amérique, Belgique, Japon, République dominicaine, Mexique, République-Unie de Tanzanie, Inde, Bulgarie, Pays-Bas, Venezuela, Costa Rica, Barbade, Brésil
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Library ResourceArticles et Livresdécembre, 1980Bénin, Nigéria, Zambie, Mali, Ghana, Congo, Sierra Leone, Niger, Colombie, Kenya, Libéria, Japon, Cameroun, Tchad, Sénégal, Soudan, Togo, Côte d'Ivoire, Afrique
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.
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Library ResourceArticles et Livresdécembre, 1980Indonésie, États-Unis d'Amérique, Philippines, Ouganda, Chine, Italie, Asie
An international journal of forestry and forest industries
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