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Autor: Henry, Guy

In an assessment of the possible benefits to consumers and producers from snap bean research, four different technologies are proposed and their impact analyzed. Benefits are measured by using a welfare analysis and calculating the internal rate of return under different assumptions. The range of...


Henry, Guy[Expected benefits of snap bean research for the developing world]Expected benefits of snap bean research for the developing world

Financial and human resources for national and international cassava R and D have traditionally been a scarce good. In order to optimize the return on research investment, cassava R and D needs to be well focused, generating appropriate technology components to maximize adoption and subsequent im...


Henry, GuyBest, R.[Strategic cassava R and D planning activities to maximize future impact]Strategic cassava R and D planning activities to maximize future impact
Janssen, WGSanint, Luis RobertoRivas Ríos, LibardoHenry, Guy[Revisión del conjunto de productos agropecuarios básicos que investiga el CIAT: indicadores de su importancia actual y futura]Revisión del conjunto de productos agropecuarios básicos que investiga el CIAT: indicadores de su importancia actual y futura
Henry, GuyTru, LCGottret, María Verónica[Vietnamese cassava constraints and opportunities: the bottom line]Vietnamese cassava constraints and opportunities: the bottom line

Adoption and impact studies have been designed to determine the returns to resources invested in research. They are important as a tool for focusing R&D activities and as a mechanism for ex ante and ex post feedback. The document is divided into four parts: the first reviews recent adoption and i...


Gottret, María VerónicaHenry, Guy[La importancia de los estudios de adopción e impacto: el caso del proyecto integrado de yuca en la costa norte de Colombia]La importancia de los estudios de adopción e impacto: el caso del proyecto integrado de yuca en la costa norte de Colombia

Although world cassava production has been increasing, it is shown that considerable cassava yield gaps still exist. Constraints are divided according to being endogenous and exogenous to the (plant and) production system. It is indicated that besides these constraints, considerable "adoption con...


Henry, GuyIglesias, C.A.[Problems and opportunities in cassava biotechnology]Problems and opportunities in cassava biotechnology
Janssen, WGCrissman, C.C.Henry, GuyLópez Pereira, M.A.Sanint, Luis RobertoWalker, T.[Papel del CIAT, el CIMMYT y el CIP en la investigación agrícola de América Latina y el Caribe]Papel del CIAT, el CIMMYT y el CIP en la investigación agrícola de América Latina y el Caribe

Since 1994 a farmer participatory research (FPR) methodology has been used with the objective of enhancing the development and adoption of efficient cassava production practices that will reduce erosion, maintain soil productivity and increase the income of cassava farmers in Asia. This 5-year FP...


Howeler, Reinhardt H.Henry, Guy[Farmer participatory research for cassava technology transfer in Asia: Constraints and opportunities]Farmer participatory research for cassava technology transfer in Asia: Constraints and opportunities

Gottret, María VerónicaHenry, GuyCortéz, M.[Impact of integrated cassava projects in the North Coast of Colombia]Impact of integrated cassava projects in the North Coast of Colombia

Centro Internacional de Agricultura Tropical, ClAT`s 12 year experience in developing the Integrated Cassava Research and Development Project (ICRDP) approach and methodology, is discussed in this paper. The origin, justification, methodology, results and lessons learned from this approach are pr...


Ospina Patiño, BernardoPoats, SVHenry, Guy[Integrated cassava research and development projects in Colombia, Ecuador and Brazil : an overview of CIAT`s experiences]Integrated cassava research and development projects in Colombia, Ecuador and Brazil : an overview of CIAT`s experiences

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