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The experience of ICRISAT with the use of Vertisols in semi-arid India indicates that the key to drastically improved productivity of Vertisols is the effective control of surface soil water which then enables rational use of the land for food and feed production. ILCA, therefore, developed and t...


Mamo, T.Mohamed-Saleem, M.A.Tedla, A.[Development of coordinated research efforts]Development of coordinated research efforts

Since 1986 the Joint Vertisol Project (JVP) which involved a number of national and international research and Development institutions in Ethiopia gave high priority to developing alternative management practices for increased and sustainable food and feed production in highland vertisols. The J...


Tedla, A.Asamenew, G.[Food and feed production strategies for Vertisols in the Ethiopian highlands]Food and feed production strategies for Vertisols in the Ethiopian highlands

Presents and discusses the effects of animal power use for improved soil surface drainage on food and feed production on the vertisols of the Ethiopian highlands. Examines the on-farm technology validation programme at ILCA; describes crop/livestock interactions in these vertisol areas; highlight...


Asamenew, G.Jutzi, S.C.Tedla, A.McIntire, John M.Ikavalko, E.[Improved draught power use for increased food and feed production on Ethiopian highland vertisols]Improved draught power use for increased food and feed production on Ethiopian highland vertisols

Discusses intermediate technology for increased food and feed production from deep black clay soils (vertisols) in the Ethiopian highlands. Presents examples of improved soil/water/nutrient management on vertisols discussing tillage and animal powered surface drainage and its effect on crop yield...


Jutzi, S.C.Asamenew, G.Tedla, A.Astatke, A.[Intermediate technology for increased food and feed production from deep black clay soils in the Ethiopian highlands]Intermediate technology for increased food and feed production from deep black clay soils in the Ethiopian highlands

Outlines an economic evaluation of an improved surface drainage technology, using the broad-bed-maker (BBM) on-farm in four different vertisol areas of the Ethiopian highlands. Presents data on crops and number of areas covered for the on-farm drainage technology, on cost structure of the BBM, an...


Asamenew, G.Jutzi, S.C.Tedla, A.McIntire, John M.[Economic evaluation of improved vertisol drainage for food crop production in the Ethiopian highlands]Economic evaluation of improved vertisol drainage for food crop production in the Ethiopian highlands

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