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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

Researchers worked with farmers in eastern Uganda to develop alternatives for soil management using crotalaria (Crotalaria ochroleuca), mucuna (Mucuna pruriens var. utilis), lablab (Dolichos lablab), and canavalia (Canavalia ensiformis) as green manures in short-term fallows. The participatory re...


Fischler, MAWortmann, Charles S.[Green manures for maize-bean systems in eastern Uganda: Agronomic performance and farmers' perceptions]Green manures for maize-bean systems in eastern Uganda: Agronomic performance and farmers' perceptions

The potential of Crotalaria ochroleuca check for this species in other resources as a green manure crop was evaluated in a series of on-station and on-farm trials on reddish kaolinitic loam and sandy clay loam soils in Uganda. Production of the green manure by intercropping Crotalaria with eithe...


Wortmann, Charles S.Isabirye, M.Musa, S[Crotalaria ochroleuca as a green manure crop in Uganda]Crotalaria ochroleuca as a green manure crop in Uganda
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

A participatory approach to research on system improvement was initiated in five communities around Ikulwe District Farm Institute in Iganga District, Uganda. The site is located in the southeastern tall grassland zone, where perennial and annual crops are produced in mixed farming systems. Farme...


Kayuki, KCWortmann, Charles S.[Participatory research in Ikulwe-Iganga District, Uganda]Participatory research in Ikulwe-Iganga District, Uganda

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