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Report 1972

Autor: Díaz, R.O.

This report compiles people and institutions involved in cassava production and processing in Brazil and lists bibliographical references of literature found in some libraries and documentation centers, Statistical data obtained from these publications are given on production costs, area planted,...

Enlace original: https://cgspace.cgiar.org/handle/10568/71750

Investigación en Agricultura
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Díaz, R.O. ,  [Brazil`s travel report December 3-23, 1972] ,  Brazil`s travel report December 3-23, 1972
Report 1988

Autor: Díaz, R.O. Chavez, N.

A partial report is given on the results of the monitoring project of cassava production systems in Manabi, Ecuador, determined from data collected on the farms during 2 visits at 3- mo. intervals. An increase in area planted to cassava, mainly due to low-risk marketing and price stability, was e...

Enlace original: https://cgspace.cgiar.org/handle/10568/71837

Investigación en Agricultura
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Díaz, R.O. ,  Chavez, N. ,  [Monitoreo a nivel de finca de yuca y cultivos asociados Manabi, Ecuador] ,  Monitoreo a nivel de finca de yuca y cultivos asociados Manabi, Ecuador
Report 1976

Autor: Nores, G.A. Rivas, L Posada, R Álvarez, C. Díaz, R.O.

Perspectives on the market situation of the commodities of the Centro Internacional de Agricultura Tropical, CIAT (cassava, beans, beef, pork, rice, and maize) in 1976 are summarized. Useful information that could serve as frame of reference is included: relative importance of agriculture in L.A....

Enlace original: https://cgspace.cgiar.org/handle/10568/71373

Investigación en Agricultura
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Nores, G.A. ,  Rivas, L ,  Posada, R ,  Álvarez, C. ,  Díaz, R.O. ,  [Latin America: Trend highlights on beans, beef, pork, cassava, rice and corn] ,  Latin America: Trend highlights on beans, beef, pork, cassava, rice and corn
Journal Article 1977

Autor: Doll, J. Pinstrup-Andersen, Per Díaz, R.O.

A survey of weeds and weeding practices was carried out by a team of agricultural economists and agronomists on 283 farms in 5 cassava-growing regions of Colombia at 3 times during a cropping season. From 71-78 percent of the weed species present were broad- leaved species. As cassava grew older,...

Enlace original: https://cgspace.cgiar.org/handle/10568/88321

Investigación en Agricultura
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Doll, J. ,  Pinstrup-Andersen, Per ,  Díaz, R.O. ,  [An agro-economic survey of the weeds and weeding practices in cassava (Manihot esculenta Crantz) in Colombia] ,  An agro-economic survey of the weeds and weeding practices in cassava (Manihot esculenta Crantz) in Colombia
Book Chapter 1983

Autor: Díaz, R.O. Howeler, Reinhardt H. Cadavid, L.F.

In May 1980 the soil section of CIAT's cassava program established a fertilization trial with 3 cassava var. [Barranquena (regional), M Col 113, and CMC 921 to measure its effect on yield and establish optimum levels from an economical point of view. The trial took place in Mondomito and Agua Bla...

En mayo de 1980 en la seccion de suelos del programa de yuca del CIAT se establecio un ensayo de fertilizacion con 3 var. de yuca (Barranquena (regional), M Col 113 y CMC 92) para medir su efecto en el rendimiento y establecer los niveles optimos desde el punto de vista economico. El ensayo se lo...

Enlace original: https://cgspace.cgiar.org/handle/10568/81749

Investigación en Agricultura
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Díaz, R.O. ,  Howeler, Reinhardt H. ,  Cadavid, L.F. ,  [Anilisis economico de un ensayo de fertilizacion en yuca] ,  Anilisis economico de un ensayo de fertilizacion en yuca
Book Chapter 1977

Autor: Pinstrup-Andersen, Per Díaz, R.O.

An economic analysis is made of cassava production in Colombia, based on yields obtained by farmers surveyed in 5 different regions. Yields tended to be greater as farm size increased, averaging 8 and 14 ton/ha in the best zone for small and large farmers, respectively. Av yield was estimated at ...

Se hace un analisis economico de la produccion de yuca en Colombia, tomando como base los rendimientos obtenidos por agricultores entrevistados en 5 regiones diferentes. Los rendimientos tienden a ser mayores a medida que se aumenta el tamano de la finca, con un promedio de 8 y 14 ton/ha en la me...

Enlace original: https://cgspace.cgiar.org/handle/10568/81696

Investigación en Agricultura
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Pinstrup-Andersen, Per ,  Díaz, R.O. ,  [Analisis economico de la produccion de yuca] ,  Analisis economico de la produccion de yuca
Journal Article 1977

Autor: Díaz, R.O. Pinstrup-Andersen, Per Doll, J.

A survey was made of weed species, weed densities and common weeding practices on 3 visits during the growing season to some 300 farms in 5 cassava-growing regions of Colombia. Broadleaf weeds were the commonest in all regions (62-65 percent of the species); there was a shift to slightly more gra...

Enlace original: https://cgspace.cgiar.org/handle/10568/88413

Investigación en Agricultura
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Díaz, R.O. ,  Pinstrup-Andersen, Per ,  Doll, J. ,  [Las malezas y su control en el cultivo de la yuca en Colombia] ,  Las malezas y su control en el cultivo de la yuca en Colombia
Journal Article 1978

Autor: Díaz, R.O. Bellotti, Anthony C. Schoonhoven, Aart van

Approx 20 insects and mites were found attacking cassava in several regions of Colombia at different growth stagcs and seasons. Thrips (Frankliniella williamsi), gall midges (Cecidomyiidae) and whiteflies (Bemisia sp. and Trialeurodes sp.) were present in greater than 50 percent of the plantation...

Enlace original: https://cgspace.cgiar.org/handle/10568/88440

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Díaz, R.O. ,  Bellotti, Anthony C. ,  Schoonhoven, Aart van ,  [Insectos y acaros que atacan el cultivo de la yuca en Colombia] ,  Insectos y acaros que atacan el cultivo de la yuca en Colombia
Book 1974

Autor: Díaz, R.O. Andersen, P.P. Estrada, R.D.
Enlace original: https://cgspace.cgiar.org/handle/10568/77895

Investigación en Agricultura
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Díaz, R.O. ,  Andersen, P.P. ,  Estrada, R.D. ,  [Custos e utilizaçao de insumos para a produçao de mandioca na Colombia] ,  Custos e utilizaçao de insumos para a produçao de mandioca na Colombia

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