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Five of the international agricultural research centers (IARC's) currently have research programs in the area of biological nitrogen (N2) fixation. This paper reviews the activities of the centers in this area and highlights common and distinctive features of the programs, as well as their links ...


Graham, Peter H.[Research on biological nitroten fixation in the international agricultural research centers]Research on biological nitroten fixation in the international agricultural research centers
Pinstrup-Andersen, PerFranklin, DL[A systems approach to agricultural research resource allocation in developing countries]A systems approach to agricultural research resource allocation in developing countries
Grant, UJ[La investigación agrícola frente a los problemas de integración regional : IV. La contribución del CIAT]La investigación agrícola frente a los problemas de integración regional : IV. La contribución del CIAT

Results of a survey of 159 farmers in southern Costa Rica indicate that the new bean varieties Talamanca and Brunca are widely adopted. This report analyzes the factors determining their success. The role played by seed availability is considered. Farmers evaluated these varieties in terms of yie...


Pachico, Douglas H.Borbón Castro, E.[La adopción de nuevas variedades de frijol en Costa Rica: logros y desafíos]La adopción de nuevas variedades de frijol en Costa Rica: logros y desafíos
Woolley, Jonathan N.Pachico, Douglas H.[The CIAT bean program`s approach to systems-based research]The CIAT bean program`s approach to systems-based research
Fernández O., F.O.[Enfoques modernos para el adiestramiento de especialistas que trabajan en leguminosas de grano comestible en los trópicos]Enfoques modernos para el adiestramiento de especialistas que trabajan en leguminosas de grano comestible en los trópicos
Kirkby, Roger A.[CIAT support for national research strategies in Africa that address bean technology needs of small farmers]CIAT support for national research strategies in Africa that address bean technology needs of small farmers

Pachico, Douglas H.Henry, Guy[An approximation to CIAT`s socio-economic research agenda for natural resource issues in tropical America]An approximation to CIAT`s socio-economic research agenda for natural resource issues in tropical America

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