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International trade in fresh and processed vegetables has expanded considerably over the last 20 years. The volume of fresh vegetables traded is about three times the volume of processed vegetables. More than half of total world trade originates in Europe, in particular the EEC, and two thirds of...


Peterson, WHenry, Guy[Snap bean international trade: present status and future prospects]Snap bean international trade: present status and future prospects

Initial studies on snap bean production in Sumapaz, Colombia, indicated excessive use of pesticides in the region. A more in- depth investigation of how chemicals are used to control insects and diseases, and the economic and agroecological implications was thus initiated in 1989. It was found th...


Velásquez, J.G.Prada, PHenry, Guy[Snap bean pests and diseases in Sumapaz, Colombia: their present status and implications]Snap bean pests and diseases in Sumapaz, Colombia: their present status and implications

Commercial seed production in Europe and North America is a highly specialized industry. This paper discusses some of the aspects of seed production, with emphasis on the snap bean seed industry in the United States. Snap bean seed production in Australia, Europe and East Africa is also highlight...


Emery, GCBelt, JHenry, Guy[International snap bean seed production and distribution]International snap bean seed production and distribution
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

For more than two decades Thailand has built up an intensive and highly profitable cassava processing and export industry, mainly due to favorable price and quota policy regimes with the European Community (EC). During the 1980`s however, internal EC political pressure has attempted to reduce Tha...


Henry, GuyKlakhaeng, Kaival I.Gottret, María Verónica[Maintaining the edge: the case of cassava technology transfer in Thailand]Maintaining the edge: the case of cassava technology transfer in Thailand

The identification, introduction and development of cassava drying technology has led to a more stable and wider cassava market in several important cassava growing regions in Latin America. In turn, this has been an incentive for small-scale cassava farmers to increase both cassava area and prod...


Best, R.Henry, Guy[Role of small-scale cassava drying plants in improving equitable rural economic growth and development]Role of small-scale cassava drying plants in improving equitable rural economic growth and development

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
Damardjati, D.S.Widowati, SBottema, THenry, Guy[Study on cassava four processing and marketing in Indonesa]Study on cassava four processing and marketing in Indonesa

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

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