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Wortmann, Charles S.Fischler, MAAlifugani, FKaizzi, CK[Accomplishments of participatory research for systems improvement in Iganga District, Uganda 1993 to 1997]Accomplishments of participatory research for systems improvement in Iganga District, Uganda 1993 to 1997
Karanja, S.Herrero, Mario T.Ridder, N.A. deBaijukya, Frederick P.Mwale, MKaizzi, CKMapfumo, PaulWatat, CIssaka, R.Sanogo, OKungu, J.Mugendi, DNQuirós, CarlosTittonell, Pablo A.González Estrada, E.Giller, Ken E.[Income, food security, nutrients and labour: a comparison of key aspects of african smallholder farming systems using IMPACT]Income, food security, nutrients and labour: a comparison of key aspects of african smallholder farming systems using IMPACT
Wortmann, Charles S.Kaizzi, CKFischler, MA[Farmers` independent experimentation with green manure and/or cover crops: a component of participatory research for improving Ugandan farming systems]Farmers` independent experimentation with green manure and/or cover crops: a component of participatory research for improving Ugandan farming systems

Fallows improved with tree legumes have a potential role in soil fertility management in the sub-humid tropics. In addition to N2 fixation, deep rooting species can be used to redistribute leached nutrients to the topsoil while producing useful woody by-products. Such fallows are not very effecti...


Wortmann, Charles S.Kaizzi, CK[Tree legumes in medium-term fallows: Nitrogen, fixation, nitrate recovery and effects on subsequent crops]Tree legumes in medium-term fallows: Nitrogen, fixation, nitrate recovery and effects on subsequent crops

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