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Ochwoh, Víctor A.Wortmann, Charles S.Lynch, Jonathan P.[Bean improvement for low fertility in Africa (BILFA): IV. Manganese toxicity]Bean improvement for low fertility in Africa (BILFA): IV. Manganese toxicity
Lunze, LubangaWortmann, Charles S.Lynch, Jonathan P.[Bean improvement for low fertility in Africa (BILFA): III. Aluminum toxicity]Bean improvement for low fertility in Africa (BILFA): III. Aluminum toxicity
Kirkby, Roger A.Wortmann, Charles S.Gridley, Howard E.[Impact of the Eastern Africa bean research network on research priorities, national research and farmers]Impact of the Eastern Africa bean research network on research priorities, national research and farmers

Drawing on results of a survey of Ugandan farmers who previously hosted bean (Phaseolus vulgaris L.) varietal trials, this paper reports on the adoption of three new bush bean cultivars and assesses the usefulness of post-trial surveys as a methodology for obtaining reliable early feedback on var...


David, S.Wortmann, Charles S.Kasozi, SMugisha-Mutetikka, M[Using trial follow-up surveys to assess varietal adoption: The case of beans]Using trial follow-up surveys to assess varietal adoption: The case of beans

Bean ( Phaseolus vulgaris check for this species in other resources L.) production in Africa is constrained by edaphic stresses. A pan-African effort, Bean Improvement for Low Fertility in Africa (BILFA), was initiated in 1990 to screen beans for tolerance to several edaphic stresses. In the fir...


Wortmann, Charles S.Lunze, LOchwoh, VALynch, J[Bean improvement for low fertility soils in Africa]Bean improvement for low fertility soils in Africa
Wortmann, Charles S.Luze, L.Chirwa, RowlandRachier, Gideon O.Rabary B.Ndakidemi, P.Mkuchu, M.Muimui, Kennedy K.Nabuhungu, L.[Bean improvement for low fertility soils in Africa: The bilfa II]Bean improvement for low fertility soils in Africa: The bilfa II

Wortmann, Charles S.Kirkby, Roger A.Eledu, Charles A.Allen, David J.[Atlas of common bean (Phaseolus vulgaris L.) production in Africa]Atlas of common bean (Phaseolus vulgaris L.) production in Africa

Nine advanced bean lines (MCM 5001, CAL 96, RWR 136, AFR 531, AFR 509, UGP 6088, PVA 698, SUG 50 white haricot) were tested on-farm for two seasons of 1992 in Bushenyi, Iganga, Kabale, Luwero, Mbarara, Mpigi, Mubende and Nebbi districts of Uganda. The objective was to evaluate the performance and...


Ugen, Michael AdroguWortmann, Charles S.[Farmer participation in cultivar evaluation: The case of beans]Farmer participation in cultivar evaluation: The case of beans

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