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A pilot project on the use of Farmer Participatory Research (FPR) methodologies with the objective of enhancing farmer adoption of practices that minimize soil erosion in cassava-based cropping systems, was conducted jointly by DOA and DOAE with technical and financial support from CIAT in two si...


Vongkasem, VKlakhaeng, Kaival I.Hemvijit, S.Tongglum, AnuchitKatong, S.Suparhan, Danai[Farmer participatory research in soil management and varietal selection in Thailand]Farmer participatory research in soil management and varietal selection in Thailand

This paper mainly describes the objectives of the FPR project, the results of the RRA that was conducted in Hainan and the demonstration plots at CATAS, as well as the demonstration and FPR trials at the pilot sites (especially in Kongba village of Baisha county). The major existing problems and ...


Zhang, WeiteLin, XiongLi, KaimianHuang, Jie[Farmer participatory research in cassava soil management and varietal dissemination in China]Farmer participatory research in cassava soil management and varietal dissemination in China

Actual accomplishments and future plans of the CIAT Bean Program during the period 1986-90 are described. The major cropping systems studied include bush beans in monoculture; bush, semiclimbing, and climbing beans in relay systems with maize; bush beans in association with maize; and climbing be...

Se describen los progresos alcanzados hasta el momento y planes futuros del Programa de Frijol del CIAT en el periodo 1986-90. Los principales sistemas de cultivo de frijol estudiados incluyen frijol arbustivo en monocultivo; frijol arbustivo, semitrepador y trepador en relevo con maiz; frijol ar...


International Center for Tropical Agriculture[Research strategies and projections: 1986-1990. Commodity programs: Bean program]Research strategies and projections: 1986-1990. Commodity programs: Bean program

Annual growth of cassava production in the main cassava production areas during the last five years seems to have kept pace with the increase in population, while the harvested area of cassava increased only 0.6% annually. Of the total cassava produced, about 54% is used for human food, 28% for i...


Wargiono, J.KushartoyoSuyamto, H.Guritno, Bambang[Recent progress in cassava agronomy research in Indonesia]Recent progress in cassava agronomy research in Indonesia

Five soil types on which cassava is being planted were investigated. Almost all these soils are degraded in terms of soil properties, especially with respect to soil fertility. Cassava is traditionally planted without fertilizer application and soil conservation measures, resulting in a negative ...


Thai PhienNguyen Cong Vinh[Nutrient management for cassava-based cropping systems in Northern Vietnam]Nutrient management for cassava-based cropping systems in Northern Vietnam

During the last three years cassava production in the Philippines did not progress markedly, neither in area nor in volume. In terms of area, there was only an increase of 14,424 ha or 6.4%, while in terms of volume the increase was 112,177 metric tons or 5.7%. One of the reasons for this was the...


Evangelio, Fernando A.Ladera, Julieta C.[Recent progress in cassava agronomy research in the Philippines]Recent progress in cassava agronomy research in the Philippines

Beans are grown in Africa in a wide range of environments, mainly in the cool highlands of central and tropical eastern Africa, leading to a diversity of cropping systems and agronomic constraints to production. Beans are cultivated for large-scale production or home consumption either in monocul...

El frijol se cultiva en Africa en un amplio rango de ambientes, principalmente en las areas montanosas templadas de las regiones central y oriental tropical de Africa, lo cual supone diversos sistemas de cultivo y limitaciones agronomicas a la produccion. El frijol se cultiva para produccion en g...


Allen, David J.Dessert, M.Trutmann, P.Voss, J.[Common beans in Africa and their constraints]Common beans in Africa and their constraints

This paper presents a case study based on the findings in two villages in eastern Uttar Pradesh, India, part of a project started in 1997 to develop, test, and refine methodologies of participatory research and gender analysis as they apply to the development of new technologies in germplasm and ...


Paris, T.R.Singh, AbhaLuis, JoyceSingh, Hari NathSingh, OmkarSingh, SinjaySingh, Ram KathinSarkarung, Surapong[Listening to farmers' perceptions through participatory rice varietal selection: A case study in villages in Eastern Uttar Pradesh, India]Listening to farmers' perceptions through participatory rice varietal selection: A case study in villages in Eastern Uttar Pradesh, India

An analysis of the recent trend in cassava area, production and yield during 1993-96 revealed an impressive increase in Tamil Nadu, which is the predominant state where cassava is grown as an industrial crop. Its present yield of 29 t/ha is the highest in the world. Even though the overall nation...


Nair, S.G.Rajendran, P.G.Naskar, S.K.Sreekumari, M.T.Unnikrishnan, M.Sheela, M.N.[Breeding and varietal improvement of cassava in India]Breeding and varietal improvement of cassava in India

Information is given on the situation of beans in Latin America, in terms of producing regions, national consumption and exports in various countries, classes of beans grown, production structure, and constraints to production. Main limitations to bean production are diseases and insect pests, wh...

Se informa sobre la situacion del cultivo de frijol en America Latina, en terminos de regiones productoras, consumo nacional y exportacion de frijol en varios paises, clases de frijol cultivadas, estructura de la produccion y principales limitaciones a la produccion. Las principales limitaciones ...


Schoonhoven, Aart vanVoysest Voysest, Oswaldo[Common beans in Latin America and their constraints]Common beans in Latin America and their constraints

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