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Rachier, Gideon O.Wortmann, Charles S.Tenywa, J.S.[Low soil phosphorus tolerance in common bean as affected by root architecture]Low soil phosphorus tolerance in common bean as affected by root architecture
Rachier, Gideon O.Wortmann, Charles S.Tenywa, J.S.[Phosphorus tolerance in common bean as affected by root architecture]Phosphorus tolerance in common bean as affected by root architecture

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
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

Characteristics of the major soil groups found in bean-growing areas of Africa (Alfisols, Ultisols, Oxisols, Inceptisols) and associated nutritional disorders are discussed. Soil fertility factors affecting bean growth and N fixation, as evidenced in research conducted in Africa, are reviewed as ...


Mughogho, SKWortmann, Charles S.[Diagnosis of soil fertility constraints in bean based cropping systems: review of research results]Diagnosis of soil fertility constraints in bean based cropping systems: review of research results

Results of research work carried out in Africa on the response of beans to NPK fertilizers, liming, S and other secondary/micronutrients, and organic manures are reviewed. Band or spot placement of P, fertilizer management in multiple crop systems, and correlations between soil data, yields, and ...


Wortmann, Charles S.Zake, JYK[Review of bean responses to applied fertilizers in Africa]Review of bean responses to applied fertilizers in Africa

Results of agronomic research are reviewed and suggestions for further research are given. Research is needed to derive methods that will enable farmers to integrate climbing beans into their current crop production systems. The wide gap between genetic yield potential and actual results on farme...

Se revisan los resultados de la investigacion agronomica y se dan sugerencias para otras investigaciones. Se necesita que la investigacion proporcione metodos que faciliten al agricultor la incorporacion del frijol trepador a sus sistemas tradicionales de produccion de cultivos. La gran brecha en...


Wortmann, Charles S.Kisakye, J.[Bean agronomy and on-farm research in Uganda: A review and future research needs]Bean agronomy and on-farm research in Uganda: A review and future research needs

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

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