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An on-farm trial, in which a wheat-clover mixed cropping treatment was compared with un-fertilised (control) and N-fertilised (23 kg N ha (-1)) pure wheat treatments, was conducted at Ginchi (2200 metres above sea level (m asl)) and Deneba (2600 m asl) in the Ethiopian highlands. Compared with th...


Lupwayi, N.Z.Tedla, A.Regassa, H.[On-farm integration of forage legumes into cereal cropping systems in the Ethiopian highlands]On-farm integration of forage legumes into cereal cropping systems in the Ethiopian highlands

Investigates the effects of improved surface drainage on the productivity of Vertisols in a wheat-and-chickpea cropping trial conducted in 1987 at ILCA;s Debre Zeit research site in the Ethiopian highlands. Chickpea plots were subjected to four irrigation treatments, viz, no irrigation, irrigatio...


Astatke, A.Jutzi, S.C.Tedla, A.[Sequential cropping of Vertisols in the Ethiopian highlands using a broadbed-and-furrow system]Sequential cropping of Vertisols in the Ethiopian highlands using a broadbed-and-furrow system

In the Ethiopian highlands, where integrated crop and livestock production takes place, the inadequate supply, in both quantity and quality of feeds during the year is a major constraint. Native pastures and crop residues are the major feed sources, but their quality is often poor. Integration of...


Tedla, A.Mamo, T.Klaij, M.C.Diedhiou, M.L.[Effects of cropping system, seed bed management and fertility interactions on biomass of crops grown on a Vertisol in the central highlands of Ethiopia]Effects of cropping system, seed bed management and fertility interactions on biomass of crops grown on a Vertisol in the central highlands of Ethiopia

Poor drainage of Vertisols in the Ethiopian mid-altitude highlands limits farming operations and cropping in the early rainy season. Thus, traditional crops are grown late in the season on the residual moisture in the dry season when waterlogging is less of a problem. Consequently performance of ...


Tedla, A.Sherington, J.Mohamed-Saleem, M.A.[Integration of forage and food crops grown sequentially on Vertisols under rainfed conditions in the mid-altitude Ethiopian highlands]Integration of forage and food crops grown sequentially on Vertisols under rainfed conditions in the mid-altitude Ethiopian highlands

Field studies were conducted between 1987-1989 at sites on Vertisols at different altitudes in Ethiopia to assess the effects of mixtures of clover undersowings on grain, straw yield and the total biomass production of several wheat varieties. Wheat varieties grown at the medium altitude location...


Tedla, A.Mamo, T.Gebeyehu, G.[Integration of forage legumes into cereal cropping systems in Vertisols of the Ethiopian highlands]Integration of forage legumes into cereal cropping systems in Vertisols of the Ethiopian highlands
Sahile, G.Tedla, A.[The effect of weeding practices on grain yields of Durum wheat under two drainage conditions of a Vertisol in the Ethiopian highlands]The effect of weeding practices on grain yields of Durum wheat under two drainage conditions of a Vertisol in the Ethiopian highlands

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