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The background and current status of research on bean N fixation in Rwanda, Burundi, Zimbabwe, Tanzania, Malawi, Uganda, and Ethiopia are summarized. The 4 stages of the methodological framework for bean N fixation research of CIAT are described: (I) (a) Rhizobium strain isolation and characteriz...


Nyabyenda, PHakizimana, AKipe-Nolt, Judith A.Davis, J.Graf, W[Atelier sur la Fixation Biologique d`Azote du Haricot en Afrique = Workshop on Biological Nitrogen Fixation of Beans in Africa (1988, Rubona, Rwanda). Actes = Proceedings]Atelier sur la Fixation Biologique d`Azote du Haricot en Afrique = Workshop on Biological Nitrogen Fixation of Beans in Africa (1988, Rubona, Rwanda). Actes = Proceedings

The methodology used and the results obtained are discussed for an investigation conducted at CIAT on agronomic factors of maize- bean associations: planting method, density and date, stakes used, fertilization and cultural practices. It was concluded that if high technological levels are used, t...


Tejada, GDavis, J.García, S.[Factores agronomicos en la asociacion frijol-maiz]Factores agronomicos en la asociacion frijol-maiz
Autor: Davis, J.

A summary on bean improvement activities carried out by CIAT in the Great Lakes Region is presented. Collaboration in bean breeding among Rwanda, Burundi, and Zaire has resulted in an integrated scheme of var. evaluation. The nucleus of this scheme is the PRELAAC (Pepiniere Regionale pour l`Evalu...


Davis, J.[Breeding activities in Africa]Breeding activities in Africa

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