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Autor: Janssen, W.

The results of a survey among 506 cassava middlemen (wholesalers and retailers) to investigate the rural and urban marketing structure for fresh cassava, in the departments of Atlantico, Bolivar, Cordoba, and Sucre (Colombia), are discussed. The course of fresh cassava from the farmer to the cons...


Janssen, W.[El comercio de la yuca fresca en los Departamentos de Atlantico, Bolivar, Cordoba y Sucre]El comercio de la yuca fresca en los Departamentos de Atlantico, Bolivar, Cordoba y Sucre
Autor: Janssen, W.

The results of a survey among 480 housewives of rural and urban centers in the departments of Atlantico, Bolivar, Cordoba, and Sucre (Colombia) on fresh cassava consumption are presented. The consumption of cassava and yam decreases from rural to urban areas due to factors related to deterioratio...


Janssen, W.[El consumo de la yuca fresca en los Departamentos de Atlantico, Bolivar, Cordoba y Sucre]El consumo de la yuca fresca en los Departamentos de Atlantico, Bolivar, Cordoba y Sucre

Forty different cultivars of cassava were grown in unreplicated plots at a plant population of 20,000 plants/ha in fertile soil. Harvests were taken at 4, 6, 8, 10 and 12 mo after planting 18 varieties. The characteristics of the 2 highest yielding varieties, M Colombia 113 (66 tons/ha) and M Col...


Cock, James H.[Characteristics of high yielding cassava varieties]Characteristics of high yielding cassava varieties

Three varieties in one cassava trial and 5 in another were planted in a sytematic density experiment, which showed that optimum plant density for root yield changes with plant age. Some varieties showed a pronounced optimum plant population whereas others showed a flat-topped response curve. Redu...


Cock, James H.Wholey, D.W.Gutiérrez de las Casas, O.[Effects of spacing on cassava (Manihot esculenta)]Effects of spacing on cassava (Manihot esculenta)
Wheatley, Christopher C.Bofu, S[Sweetpotato starch in China: current status and future prospects]Sweetpotato starch in China: current status and future prospects

The success of Thailand`s cassava var. Rayong 3 is highlighted, particularly between cassava starch producers. Compared with Rayong 1, its fresh root yield is almost the same, starch production is higher, and drying time is shorter (2 vs. 3 days). Farmers planting Rayong 3 increased their revenue...


International Center for Tropical Agriculture[Rayong 3: Excepcional acogida de una variedad de yuca para almidon]Rayong 3: Excepcional acogida de una variedad de yuca para almidon

Work with cassava in CIAT`s Biotechnology Research Unit covered 2 major areas: in vitro culture techniques and techniques for the analysis of genetic variability. Work was carried out on virus elimination, micropropagation, and germplasm exchange and conservation as well as on the development of ...


International Center for Tropical Agriculture[Cassava]Cassava

Women`s participation in cassava starch extraction and marketing in Manabi Province, Ecuador, within the context of an integrated cassava project is discussed. Historical/institutional background information is provided. Particular reference is made to the San Vicente de Bijahual association, whi...


International Center for Tropical Agriculture[Microempresarias procesan yuca en Ecuador]Microempresarias procesan yuca en Ecuador

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