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The objectives of a cassava program in Ecuador are listed: the development and introduction of a simple technology that, without high inputs, allows the national av. yield to be increased; the economic, commercial production of cassava on acid, infertile soils of E. Ecuador (Amazonic region); and...


Toro, Julio C.[Consideraciones generales para un programa de yuca en el Ecuador]Consideraciones generales para un programa de yuca en el Ecuador

This is an overview of the present status of cassava as regards production and yields, nutritional value and international research programs. A cassava research program to be developed by CIAT is presented. The program covers the following areas: varietal improvement, production systems, internat...


International Center for Tropical Agriculture[Improvement of cassava: A tropical root crop]Improvement of cassava: A tropical root crop

Cadavid López, Luis FernandoHoweler, Reinhardt H.[El problema de la erosion en los suelos de Mondomo, Cauca, Colombia dedicados al cultivo de la yuca y sus posibles soluciones]El problema de la erosion en los suelos de Mondomo, Cauca, Colombia dedicados al cultivo de la yuca y sus posibles soluciones

The results are given of physicochemical analyses of soils and estimated cassava yields for five production zones in Colombia. There was little correlation between yield and the factors studied. Yields tended to increase as P increased; and there was a positive response to K in 2 zones and Ca/Mg ...


Díaz Duque, R.O.Howeler, Reinhardt H.Varon R, U[Evaluacion de los analisis de suelos de las zonas productoras de yuca en Colombia]Evaluacion de los analisis de suelos de las zonas productoras de yuca en Colombia

For the biological control of Ernnyis ello, an application of Bacillus thuringiensis (400-500 g/ha for aerial applications or 2-3 g/l of water for land applications), together with a surfactant with adherent properties, is recommended. When a hornworm population increase is foreseen due to the in...


Reyes, J.A.Arias, B.Martin, C[Observaciones sobre el gusano cachon de la yuca Erynnyis ello (L) y algunas recomendaciones para su manejo (CIAT Septiembre, 1978 para el dia de campo en caicedonia)]Observaciones sobre el gusano cachon de la yuca Erynnyis ello (L) y algunas recomendaciones para su manejo (CIAT Septiembre, 1978 para el dia de campo en caicedonia)
Autor: Kawano, K

Feasible overall goals for cassava breeding in Asia are proposed on the basis of current national cassava breeding programs, achievements, and cassava demand in the following Asian Countries: Thailand, Philippines, China, Malaysia, Indonesia, India, and Vietnam. CIAT germplasm that has been selec...


Kawano, K[Potential for cassava breeding in Asia]Potential for cassava breeding in Asia

The activities of the agroindustrial development project conducted by CIAT on the northern coast of Colombia, from August 1987 to July 1988, included elaboration of dried cassava chips for animal nutrition, production and marketing of bagged cassava, milling and mixture of dried cassava, survey o...


Ostertag Gálvez, Carlos F.[Proyecto de desarrollo agro-industrial del cultivo de la yuca en la Costa Atlantica de Colombia (agosto 1987-julio 1988). Informe Anual [online]]Proyecto de desarrollo agro-industrial del cultivo de la yuca en la Costa Atlantica de Colombia (agosto 1987-julio 1988). Informe Anual [online]

The white yam/cassava production system used in Sucre and Bolivar, Colombia, is described. Data on area planted, climate, soils, and production units are given. Of the farmers surveyed, 88 percent always plant white yam with cassava, and among these, 13 percent intercrop yam/cassava/maize. Cassav...


Moreno, R.A.Muñoz, F.[Caracteristicas de la produccion de name espino (Dioscorea rotundata Poir) y yuca (Manihot esculenta Crantz) en la Costa Atlantica de Colombia]Caracteristicas de la produccion de name espino (Dioscorea rotundata Poir) y yuca (Manihot esculenta Crantz) en la Costa Atlantica de Colombia

Agricultural research in developing countries has lacked relevance to farm-level production problems, especially appropriate technologies for small-scale or limited-resource farmers. Currently research institutions are directing their efforts towards these objectives. This paper is a preliminary ...


Lynam, John K.Sanders, J.H.[The role of economists in on-farm testing in agricultural research]The role of economists in on-farm testing in agricultural research

The distribution of cassava among different climate and soil types in South America, based on the adopted hierachical classification of soil and climate conditions for cassava, is briefly discussed. Both soil and climate components of the classification have been used to produce a map of environm...


Carter, Simon E.[A note on the distribution of cassava amongst different climate and soil types in South America]A note on the distribution of cassava amongst different climate and soil types in South America

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