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Pachico, Douglas H.[Programa ecorregional: Enfoques para América Tropical]Programa ecorregional: Enfoques para América Tropical

A detailed description of the methodological framework for on- farm research is included; it provides a logical sequence for the activities carried out in an agricultural subsystem and clarifies the objectives for each stage. This framework has been adapted by the CIAT Bean Program based on its e...

Se describe en detalle el marco metodologico para la investigacion en campos de agricultores (ICDA) que consiste en proporcionar una secuencia logica de las actividades realizadas en un subsistema agricola y clarificar los objetivos en cada etapa. Este marco metodologico ha sido adaptado por el P...


Woolley, Jonathan N.Pachico, Douglas H.[Un marco metodologico para la investigacion en campos de agricultores (version resumida)]Un marco metodologico para la investigacion en campos de agricultores (version resumida)
Pachico, Douglas H.Rivas Ríos, Libardo[Genetic resources and germplasm conservation in the genus manihot: a preliminary comparison of the potential welfare and employment effects of herbicide tolerant, high yielding, or mechanized cassava in different markets in Colombia]Genetic resources and germplasm conservation in the genus manihot: a preliminary comparison of the potential welfare and employment effects of herbicide tolerant, high yielding, or mechanized cassava in different markets in Colombia
Voysest Voysest, OswaldoPachico, Douglas H.[Análisis de la problemática de la producción y suministro de semillas de frijol en América Latina]Análisis de la problemática de la producción y suministro de semillas de frijol en América Latina
Arbulu Diaz, PRuiz de Londoño, NorhaPachico, Douglas H.[Diagnóstico de la producción de fríjol en la provincia de Chota, departamento de Cajamarca, Perú]Diagnóstico de la producción de fríjol en la provincia de Chota, departamento de Cajamarca, Perú
Amede, TilahunAmézquita Collazos, EdgarAshby, J.A.Ayarza, Miguel AngelBarrios, EdmundoBationo, B. AndréBeebe, Stephen E.Bellotti, Anthony C.Blair, Matthew W.Delve, Robert J.Fujisaka, SamHoweler, Reinhardt H.Johnson, Nancy L.Kaaria, Susan K.Kelemu, SegenetKerridge, Peter C.Kirkby, Roger A.Lascano, Carlos E.Lefroy, R.D.B.Mahuku, George S.Murwira, Herbert K.Oberthür, ThomasPachico, Douglas H.Peters, MichaelRamisch, Joshua J.Rao, Idupulapati M.Rondón, Marco AntonioSanginga, Pascal C.Swift, M.Vanlauwe, Bernard[Biological nitrogen fixation: A key input to integrated soil fertility management in the tropics]Biological nitrogen fixation: A key input to integrated soil fertility management in the tropics

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

While many goverment policies stimulating deforestation have been reserved, private sector lobbies for uncontrolled logging and soybean export corridors threaten the Amazon. Under a favorable scenario (macroeconomic stabilization, controlled logging and road building, sustainable technologies, gl...


Smith, J.Winograd, ManuelGallopin, G.Pachico, Douglas H.[Dynamics of the agricultural frontier in the Amazon and savannas of Brazil: analyzing the impact of policy and technology]Dynamics of the agricultural frontier in the Amazon and savannas of Brazil: analyzing the impact of policy and technology
Epperson, James E.Pachico, Douglas H.Guevara Gómez, Claudia Lucero[A cost analysis of maintaining cassava plant genetic resources]A cost analysis of maintaining cassava plant genetic resources

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