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3
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African bean production environments : their definition, characteristics and constraints / Charles S. Wortmann and David J. Allen.
- CIAT,
- 1994.
- Dar es Salaam :
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The banana-bean intercropping system in Kagera region of Tanzania : results of a diagnostic survey / by Charles S. Wortmann, Chris Bosch and Leonard Mukandala.
- CIAT. Network on bean research in Africa,
- 1993.
- Dar es Salaam :
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Bean improvement for low fertility soils in Africa : proceedings of a Working group meeting, Kampala, Uganda, 23-26 May, 1994 / ed. by Charles S. Wortmann.
- CIAT. Network on bean research in Africa,
- 1994.
- Dar es Salaam :