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Library ResourcePolicy Papers & BriefsDecember, 2014Angola, Fiji, North Macedonia, Benin, El Salvador, Burkina Faso, Indonesia, Djibouti, Australia, Bolivia, Austria, Congo, Venezuela, Guinea, Malawi, Costa Rica, Mozambique, Liberia, Uganda, Madagascar, Senegal, Paraguay
Library ResourceJournal Articles & BooksDecember, 1980Benin, Nigeria, Zambia, Mali, Ghana, Congo, Sierra Leone, Niger, Colombia, Kenya, Liberia, Japan, Cameroon, Chad, Senegal, Sudan, Togo, Ivory Coast, Africa
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.
Library ResourceJournal Articles & BooksDecember, 1993Burkina Faso, Liberia, Nigeria, South Africa, Georgia, Mali, Zimbabwe, Italy, Ghana, Venezuela, Sudan, Niger, Cameroon
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