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Musinguzi, P.Ebanyat, PeterTenywa, J.S.Basamba, T.A.Tenywa, M.M.Mubiru, D.[Precision of farmerbased fertility ratings and soil organic carbon for crop production on a Ferralsol]Precision of farmerbased fertility ratings and soil organic carbon for crop production on a Ferralsol

Theories of agrarian change in Africa normally treat agricultural intensification as a linear unidirectional process that gradually engulfs entire agrarian systems as human population increases. Focusing on soil management practices, this paper disputes the alleged uniformity of intensification a...


Crowley, E.L.Carter, Simon E.[Agrarian change and the changing relationships between toil and soil in Maragoli, Western Kenya (1900-1994)]Agrarian change and the changing relationships between toil and soil in Maragoli, Western Kenya (1900-1994)

Runoff generated in the monsoon months in the upstream parts of the Ganges River basin (GRB) contributes substantially to downstream floods, while water shortages in the dry months affect agricultural production in the basin. This paper examines the potential for subsurface storage (SSS) in the G...


Muthuwatta, Lal P.Amarasinghe, Upali A.Sood, AdityaLagudu, S.[Reviving the “Ganges Water Machine”: where and how much?]Reviving the “Ganges Water Machine”: where and how much?

This paper reports on a Participatory Learning and Action Research (PLAR) process that was initiated in three villages in eastern Uganda in September 1999 to enable small-scale farmers to reverse nutrient depletion of their soils profitably by increasing their capacity to develop, adapt and use i...


Esilaba, Anthony O.Byalebeka, J.B.Delve, Robert J.Okalebo, JRSsenyange, DMbalule, MSsali, H.[On farm testing of integrated nutrient management strategies in Eastern Uganda]On farm testing of integrated nutrient management strategies in Eastern Uganda

Land degradation is a major environmental problem in Ethiopia posing serious threats to agricultural productivity and livelihoods. The interactions of numerous socio-economic, demographic, natural, and institutional factors constitute the underlying causes of soil degradation in Ethiopia. However...


Tarfasa, S.Balana, Bedru B.Tefera, T.Woldeamanuel, T.Moges, A.Dinato, M.Black, H.[Modeling smallholder farmers' preferences for soil management measures: a case study from South Ethiopia]Modeling smallholder farmers' preferences for soil management measures: a case study from South Ethiopia

Lessons for appropriate soil management technology generation for the savannas and their application to the grain legume-cereal rotation system There are many legume-based techno logies capable of regenerating soi l ferti lity but few are being adopted by fa rmers in West Africa . At the Tn terna...


Carsky, R.J.Douthwaite, BoruManyong, Victor M.Sanginga, N.Schulz, S.Vanlauwe, BernardDiels, J.Keatinge, J.D.H.[Amelioration de la gestion des sols par lintroduction de legumineuses dans les systemes cerealiers des savannes africaines]Amelioration de la gestion des sols par lintroduction de legumineuses dans les systemes cerealiers des savannes africaines
Ortiz, R.Austin, P.D.Vuylsteke, D.R.[IITA High Rainfall Station: twenty years of research for sustainable agriculture in the West African humid forest]IITA High Rainfall Station: twenty years of research for sustainable agriculture in the West African humid forest

The effects of different fallow management systems on aggregate stability were studied on an Ultisol and an Alfisol in southern Nigeria. Aggregate stability was measured in natural regrowth, and planted fallows of Pueraria phaseoloides Benth. and Leucaena leucocephala Lam de Wit in a trial establ...


Salako, F.Hauser, S.[Influence of different fallow management systems on stability of soil aggregates in southern Nigeria]Influence of different fallow management systems on stability of soil aggregates in southern Nigeria

The Nigerian savanna zone is currently witnessing increasing intensities of crop and livestock production activities that are resulting in increased soil erosion, de-vegetation of the land area, and desert encroachment especially during the dry season. These may have led to the presence of severa...


Odunze, A.C.Tarawali, S.A.Haan, N.C. deIwuafor, E.N.O.Katung, P.D.Akoueguon, G.E.Amadji, A.F.Schultze-Kraft, RainerAtala, T.K.Ahmed, B.Adamu, A.Babalola, A.O.Ogunwole, J.O.Alimi, A.Ewansiha, S.U.Adediran, S.A.[Grain Legumes for soil productivity improvement in the Northern Guinea savanna of Nigeria]Grain Legumes for soil productivity improvement in the Northern Guinea savanna of Nigeria

This paper uses data from a 1998 survey of farming households in Nakuru district, Kenya to explore factors influencing soil fertility management decisions of smallholder farmers in Africa. The modeling strategy builds on results of research in soil science that point to the joint determination of...


Omamo, S.W.Williams, J.C.Obare, G.A.Ndiwa, Nicholas N.[Soil fertility management on small farms in Africa: Evidence from Nakuru district, Kenya]Soil fertility management on small farms in Africa: Evidence from Nakuru district, Kenya

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