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Presents the results of investigations on the relative distribution of the various phosphorus forms, fixing capacity and status of some Ethiopian highland Vertisols.


Mamo, T.Haque, I.Kamara, C.S.[Phosphorus status of some Ethiopian highland Vertisols]Phosphorus status of some Ethiopian highland Vertisols

Vertisols and soils with vertic properties are an important soil group in the Ethiopian highlands. Poor drainage, soil, water and nutrient erosion are the most serious problems on highland Vertisols. Due to their high moisture- storage capacity, they have high production potential and this potent...


Haque, I.Abebe, M.Mamo, T.Dibabe, A.[Nutrient management]Nutrient management

Although this document is intended to report research on Vertisols, livestock do not respect this boundary as they graze communal land. Hence a general situation of the available feed resources in the highlands is also highlighted which is followed by specific efforts of collaborative partners of...


Tedla, A.Mohamed-Saleem, M.A.Mamo, T.Tadesse, A.Duffera, M.[Grain, fodder and residue management]Grain, fodder and residue management

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

The two years on-farm tillage research during the 1999 and 2000 cropping seasons in Ethiopian highland Vertisol area demonstrated the importance of adapting cultural practices into participatory trials. The minimum tillage package could be an effective intervention for soil conservation due to th...


Astatke, A.Mamo, T.Peden, Donald G.Diedhiou, M.[Participatory on-farm conservation tillage trial in the Ethiopian highland Vertisols: The impact of potassium application on crop yields]Participatory on-farm conservation tillage trial in the Ethiopian highland Vertisols: The impact of potassium application on crop yields

This chapter summarises the experience of a research project for developing and disseminating technologies for better management of Vertisols for improving productivity. Topics of discussion include Vertisol technology Development and testing in Ethiopia; the adoption pathways for the BBM package...


Jabbar, M.A.Mamo, T.Mohamed-Saleem, M.A.[From plot to watershed management: Experience in farmer participatory Vertisol technology generation and adoption in highland Ethiopia]From plot to watershed management: Experience in farmer participatory Vertisol technology generation and adoption in highland Ethiopia

Asesses the role of Vesicular Arbuscular Mycorrhizal fungus in Lucerne mineral nutrition, and the response of phosphate fertilization to Lucerne.


Mamo, T.Haque, I.[Response of lucerne (Medicago sativa) to phosphate fertilization and inoculation with vesicular arbuscular mycorrhizal fungus in a P-deficient Vertisol]Response of lucerne (Medicago sativa) to phosphate fertilization and inoculation with vesicular arbuscular mycorrhizal fungus in a P-deficient Vertisol
Mamo, T.Haque, I.[Reponse d'une luzerne (Medicago sativa) a la fertilisation phosphatee et a l'inoculation avec des champignons mycorhiziens a vesicules et arbuscules dans un Vertisol deficient en P]Reponse d'une luzerne (Medicago sativa) a la fertilisation phosphatee et a l'inoculation avec des champignons mycorhiziens a vesicules et arbuscules dans un Vertisol deficient en P

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

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

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