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Conference Proceedings 1994

Autor: Wortmann, Charles S.
Enlace original: https://cgspace.cgiar.org/handle/10568/56426

Investigación en Agricultura
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Wortmann, Charles S. ,  [Bean improvement for low fertility soils in Africa : Proceedings of a working group meeting, Kampala, uganda 23-26 May, 1994] ,  Bean improvement for low fertility soils in Africa : Proceedings of a working group meeting, Kampala, uganda 23-26 May, 1994
Conference Proceedings 1988

Autor: Wortmann, Charles S.

A regional workshop was held in Ethiopia (Eastern Africa) to assess the status, future needs, and methodological issues of soil fertility research for bean cropping systems on the continent. Traditional forms of soil fertility maintenance, diagnosis of soil fertility constraints, nutrient require...

Enlace original: https://cgspace.cgiar.org/handle/10568/56492

Investigación en Agricultura
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Wortmann, Charles S. ,  [Workshop on Soil Fertility Research for Bean Cropping Systems in Africa (1988, Addis Ababa, Ethiopia). Proceedings] ,  Workshop on Soil Fertility Research for Bean Cropping Systems in Africa (1988, Addis Ababa, Ethiopia). Proceedings
Conference Paper 1994

Autor: Wortmann, Charles S.
Enlace original: https://cgspace.cgiar.org/handle/10568/55816

Investigación en Agricultura
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Wortmann, Charles S. ,  [The Africa network for screening beans for tolerance edaphic stresses: an overview] ,  The Africa network for screening beans for tolerance edaphic stresses: an overview
Journal Article 2000

Autor: Wortmann, Charles S. Luze, L. Chirwa, Rowland Rachier, Gideon O. Rabary B. Ndakidemi, P. Mkuchu, M. Muimui, Kennedy K. Nabuhungu, L.
Enlace original: https://cgspace.cgiar.org/handle/10568/88894

Investigación en Agricultura
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Wortmann, Charles S. ,  Luze, L. ,  Chirwa, Rowland ,  Rachier, 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
Conference Paper 1988

Autor: Wortmann, Charles S. Regassa, T Mughogho, SK

The 3 stages of the diagnostic procedure to identify soil fertility problems are reviewed, namely (1) classification of land into soil fertility management units, (2) diagnosis of soil fertility and plant nutrition problems, and (3) determination of the causes and mechanisms of nutrient disorders...

Enlace original: https://cgspace.cgiar.org/handle/10568/55963

Investigación en Agricultura
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Wortmann, Charles S. ,  Regassa, T ,  Mughogho, SK ,  [Research methods for the diagnosis of soil fertility problems] ,  Research methods for the diagnosis of soil fertility problems
Conference Proceedings 1993

Autor: Wortmann, Charles S. Ransom, JK
Enlace original: https://cgspace.cgiar.org/handle/10568/56396

Investigación en Agricultura
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Wortmann, Charles S. ,  Ransom, JK ,  [Soil fertility research for maize and bean production systems of the Eastern Africa highlands : Proceedings of a workshop group meeting, Thika, Kenya, 1-4 September, 1992] ,  Soil fertility research for maize and bean production systems of the Eastern Africa highlands : Proceedings of a workshop group meeting, Thika, Kenya, 1-4 September, 1992
Conference Paper 1991

Autor: Ochwoh, V.A Wortmann, Charles S.

Results of research on soil fertility management for bean production in Uganda are explored. The occurrence and severity of soil fertility problems as constraints to bean production are examined and additional research needs are suggested. Results of trials conducted on research station and farme...

Se examinan los resultados de investigaciones en manejo de la fertilidad del suelo para la produccion de frijol en Uganda y la presencia y severidad de los problemas de fertilidad del suelo como factores limitantes de la produccion de este cultivo. Se sugieren necesidades adicionales de investiga...

Enlace original: https://cgspace.cgiar.org/handle/10568/80309

Investigación en Agricultura
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Ochwoh, V.A ,  Wortmann, Charles S. ,  [Soil fertility and bean nutrition in Uganda: A review and future research needs] ,  Soil fertility and bean nutrition in Uganda: A review and future research needs
Report 1994

Autor: Wortmann, Charles S. Allen, David J.

Bean production in Africa is very heterogeneous with much variation in environmental conditions, cropping systems, preferences and constraints. This working document contains information on the many bean producing areas in Africa. The data were gleaned from numerous sources but a major part of th...

Enlace original: https://cgspace.cgiar.org/handle/10568/72350

Investigación en Agricultura
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Wortmann, Charles S. ,  Allen, David J. ,  [African bean production environments: their definition, characteristics and constraints] ,  African bean production environments: their definition, characteristics and constraints
Report 1993

Autor: Wortmann, Charles S. Bosch, CH Mukandala, L
Enlace original: https://cgspace.cgiar.org/handle/10568/71418

Investigación en Agricultura
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Wortmann, Charles S. ,  Bosch, CH ,  Mukandala, L ,  [The banana-bean intercropping system in Kagera region of Tanzania : results of a diagnostic survey] ,  The banana-bean intercropping system in Kagera region of Tanzania : results of a diagnostic survey
Conference Paper 1999

Autor: Kayuki, KC Wortmann, Charles S.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/55972

Investigación en Agricultura
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Kayuki, KC ,  Wortmann, Charles S. ,  [Participatory research in Ikulwe-Iganga District, Uganda] ,  Participatory research in Ikulwe-Iganga District, Uganda

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