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URI permanente para esta comunidadhttp://hdl.handle.net/123456789/2
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109 resultados
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Ítem Agronomic and economic efficiency of manure and urea fertilizers use on vertisols in Ethiopian highlands(Elsevier) Erkossa, Teklu; Teklewold, H.Ítem The sustainable management of vertisols(CAB International) Syers, J.K.; Penning de Vries, Frits W.T.; Nyamudeza, P.Ítem Effects of bed width and planting date on water productivity of wheat grown on vertisols in the Ethiopian highlands(Wiley) Erkossa, Teklu; Menker, M.; Betrie, G.D.Ítem Soil erosion management research in Asian catchments: Methodological approaches and initial results - Proceedings of the 5th Management of Soil Erosion Consortium (MSEC) Assembly, held at Semarang, Central Java, Indonesia, 7-11 November 2000(International Water Management Institute) Maglinao, Amado R.; Leslie, R.N.Ítem Adoption pathways for new agricultural technologies: An approach and an application to Vertisol management technology in Ethiopia(International Livestock Research Institute) Jabbar, M.A.; Beyene, H.; Mohamed-Saleem, M.A.; Gebreselassie, S.Ítem Concepts and procedures for the Development of improved Vertisol technology Development in Ethiopia(IBSRAM) Asamenew, G.; Mohamed-Saleem, M.A.Ítem Impact of grazing on plant species richness, plant biomass, plant attribute, and soil physical and hydrological properties of Vertisol in East African highlands(Springer) Taddese, G.; Mohamed-Saleem, M.A.; Astatke, A.; Ayaleneh, W.Ítem Low cost animal drawn implements for better utilization of Vertisols in the Ethiopian highlands(IBSRAM) Astatke, A.; Mohamed-Saleem, M.A.Ítem Improved draught power use for increased food and feed production on Ethiopian highland vertisols(Institute of Agricultural Research) Asamenew, G.; Jutzi, S.C.; Tedla, A.; McIntire, John M.; Ikavalko, E.Ítem Diffussion and adoption of Vertisols technology package in highland Ethiopia(Ethiopian Agricultural Research Organization) Ayele, G.; Jabbar, M.A.; Zerfu, E.