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The 5 activities carried out as part of the project of generation, evaluation, and validation of on-farm technology at the Quetzaltenango plateau in Guatemala are described. These activities include agricultural and socioeconomic studies, germplasm selection in exptl. stations, on-farm trials, sa...

Se describen las 5 actividades realizadas dentro de la generacion, prueba y validacion de tecnologia en campos de agricultores en el altiplano de Quetzaltenango, Guatemala. Estas actividades consisten en estudios agrosocioeconomicos, seleccion de germoplasma en estaciones exptl., ensayos en finca...

Bean var. San Martin was obtained from masal selection with a series of local materials from Chimaltenango, Guatemala. This selection was based on no. of pods/plant, earliness, and yields. A sample of 92 farmers of the region was surveyed to study the adoption of this var. In 1985, 75 percent of ...

La var. de frijol San Martin se obtuvo mediante seleccion masal con una serie de materiales criollos de Chimaltenango, Guatemala. Esta seleccion se hizo con base en no. de vainas/planta, precocidad y rendimiento. Con el fin de estudiar la adopcion de esta var., se entrevisto una muestra de 92 agr...

A participatory model designed in El Salvador for technology generation and transfer is described. Its main components are the farmer, on-farm research, extension services, and support systems such as technical assistance, credit, and marketing. With the implementation of this model in 1986, the ...

Se describe el modelo participativo definido en El Salvador para la generacion y transferencia de tecnologia, cuyos elementos fundamentales son el agricultor, la investigacion en fincas, el servicio de extension y los sistemas de apoyo como asistencia tecnica, credito y comercializacion. Durante ...

The objective of the National Agricultural Research Department in Honduras is to coordinate, organize, and supervise research activities in different areas. This technological system includes 4 stages: diagnosis, planning, expt., and transference. The most commonly used improved var. are Zamorano...

El Depto. Nacional de Investigacion Agricola (Honduras) tiene como funcion coordinar, organizar y supervisar las actividades de investigacion que se realizan en las diferentes regiones. Este sistema tecnologico incluye 4 etapas: diagnostico, planeacion, experimentacion y transferencia. Las var. m...

After technicians from the Agricultural and Livestock Extension Service from Paraguay were trained at CIAT, on-farm research activities started in this country in 1983 with the establishment of IBYAN trials. The different stages of the methodology used in on- farm research are listed; they includ...

Con la capacitacion de los tecnicos del Servicio de Extension Agricola Ganadera del Paraguay en el CIAT, se iniciaron en 1983, los trabajos de investigacion en fincas con las siembras de los ensayos del IBYAN. Se enumeran las diferentes fases de la metodologia utilizada en la investigacion en fin...

The technology transfer method used in Mexico by the Instituto Nacional de Investigaciones Agricolas, named producer-experimenter, is described. The exptl. results obtained with beans using this method are presented. From the 100 bean genotypes evaluated in monocropping, var. Canario 101, Flor de...

Se describe ampliamente el metodo de transferencia de tecnologia utilizado por el Instituto Nacional de Investigaciones Agricolas (Mexico) denominado productor-experimentador. Se presentan los resultados experimentales obtenidos en frijol con la utilizacion de este metodo. Se evaluaron mas de 100...

The successful program for certified seed production of beans and maize for the farmers of eastern Antioquia is described. The Instituto Colombiano Agropecuario produces the basic seed that is then sold to farmers previously selected as seed multipliers. By an agreement with the Caja Agraria, the...

Se describe en detalle el programa de produccion de semilla certificada de frijol y maiz para los productores del oriente de Antioquia (Colombia), considerado un exito del proyecto. El Instituto Colombiano Agropecuario produce la semilla basica que se vende a los productores previamente seleccion...

In Thailand cassava is produced mainly for export. The Thai cassava industry was based on starch export until the 60s when West Germany began to use CSW for animal feed. As this was a by-product of starch manufacturing, shortages resulted, leading to the market for CM. Chips became the dominant e...

En Tailandia la yuca se produce principalmente para exportacion. La industria yuquera tailandesa se baso en la exportacion de almidon hasta la decada de los 60 cuando Alemania Occidental comenzo a utilizar los residuos de almidon de yuca en alimentos para animales. Debido a que este era un subpro...

Technical and administrative aspects of the cassava natural drying project on the Atlantic Coast of Colombia and its process of development are reviewed. The project, now in its 10th yr, has undergone 3 phases: the exptl. phase 1981 (building of natural drying plant, adapting of processing techno...

Se revisaron aspectos tecnicos y administrativos del proyecto de secamiento natural de la yuca en la Costa Atlantica de Colombia y su proceso de desarrollo. El proyecto, que se encuentra en su decimo ano, ha pasado por 3 fases: la fase exptl. 1981 (construccion de la planta de secamiento natural,...

The need to conduct research on agricultural systems is emphasized since the understanding of traditional systems facilitates technology development. In the case of cassava production systems, technology development makes technical recommendations available that, upon being applied to systems cur...

Se enfatiza la necesidad de realizar investigacion en sistemas agricolas puesto que la comprension de los sistemas tradicionales facilita el desarrollo de nuevas tecnologias. En el caso de sistemas de produccion de yuca, el desarrollo de tecnologia mejorada hace disponible recomendaciones tecnica...