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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

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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
Report 1997

Autor: David, S. Kasozi, S Wortmann, Charles S.

The distribution of newly released bean seed is often a weak link in the technology transfer process. To assist national commodity programs to devise cost-effective delivery systems, research was conducted in Uganda to test the appropriateness of bean seed distribution through four non-convention...

Enlace original: https://cgspace.cgiar.org/handle/10568/72325

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David, S. ,  Kasozi, S ,  Wortmann, Charles S. ,  [An investigation of alternative bean seed marketing channels in Uganda] ,  An investigation of alternative bean seed marketing channels in Uganda
Report 1992

Autor: Wortmann, Charles S.
Enlace original: https://cgspace.cgiar.org/handle/10568/71913

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Wortmann, Charles S. ,  [Assessment of yield loss caused by biotic stress on beans in Africa] ,  Assessment of yield loss caused by biotic stress on beans in Africa
Book 1998

Autor: Wortmann, Charles S. Kirkby, Roger A. Eledu, Charles A. Allen, David J.

The Bean atlas is a comprehensive map of the bean growing areas in Africa. The first version was first published in 1998 and in paper format. For the last four years, PABRA has been developing the second edition, which shows dramatic changes in bean production areas across Africa, where some have...

Enlace original: https://cgspace.cgiar.org/handle/10568/54312

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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
Conference Paper 1988

Autor: Mughogho, SK Wortmann, Charles S.

Bean yields are expected to increase due to improved varieties and better cultural and harvesting practices. Higher yields increase the nutrient requirements of the bean crops and the complexity of management. Better low input management practices will be needed for beans grown in pure stand and ...

Enlace original: https://cgspace.cgiar.org/handle/10568/55957

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Mughogho, SK ,  Wortmann, Charles S. ,  [Research needs and methods for the use of fertilizers and soil amendments in bean-based cropping systems] ,  Research needs and methods for the use of fertilizers and soil amendments in bean-based cropping systems
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

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Kayuki, KC ,  Wortmann, Charles S. ,  [Participatory research in Ikulwe-Iganga District, Uganda] ,  Participatory research in Ikulwe-Iganga District, Uganda
Journal Article 1995

Autor: Wortmann, Charles S. Lynch, Jonathan P.
Enlace original: https://cgspace.cgiar.org/handle/10568/88795

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Wortmann, Charles S. ,  Lynch, Jonathan P. ,  [Bean improvement for low fertility in Africa (BILFA): I. Low soil nitrogen availability] ,  Bean improvement for low fertility in Africa (BILFA): I. Low soil nitrogen availability
Journal Article 1995

Autor: Wortmann, Charles S. Lunze, Lubanga Lynch, Jonathan P.
Enlace original: https://cgspace.cgiar.org/handle/10568/88796

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Wortmann, Charles S. ,  Lunze, Lubanga ,  Lynch, Jonathan P. ,  [Bean improvement for low fertility in Africa (BILFA): II. Low soil phosphorus availability] ,  Bean improvement for low fertility in Africa (BILFA): II. Low soil phosphorus availability

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