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Report 1975

Autor: Cock, James H. Rosas SC

Cassava is a high-yielding crop, well adapted to areas of the tropics with low, uncertain rainfall and mean temperatures above 20 degrees Celsius.It has the ability to grow on very acid soils where few other crops will grow atall; however, highest yields are obtained under more fertile conditions...

Enlace original: https://cgspace.cgiar.org/handle/10568/71783

Investigación en Agricultura
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Cock, James H. ,  Rosas SC ,  [Ecophysiology of cassava] ,  Ecophysiology of cassava
Journal Article 1979

Autor: Cock, James H. Franklin, D. Sandoval, G. Juri, P.

A series of trials were carried out using cassava. Crop growth rate increased with leaf area up to LAI 4; root growth rate increased up to LAI 3-3.5, then declined. LAI is determined by leaf size, leaf formation rate and individual leaf life. Leaf size reached a max 4 mo after planting and then d...

Enlace original: https://cgspace.cgiar.org/handle/10568/88470

Investigación en Agricultura
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Cock, James H. ,  Franklin, D. ,  Sandoval, G. ,  Juri, P. ,  [The ideal cassava plant for maximum yield] ,  The ideal cassava plant for maximum yield
Journal Article 1987

Autor: El-Sharkawy, Mabrouk A. Cock, James H.

Cassava (Manihot esculenta Crantz) is a staple food for a large sector of human population in the tropics. It is widely produced for its starchy roots by small farmers over a range of environments on poor infertile soils with virtually no inputs. It is highly productive under favorable conditions...

Enlace original: https://cgspace.cgiar.org/handle/10568/44051

Investigación en Agricultura
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El-Sharkawy, Mabrouk A. ,  Cock, James H. ,  [Response of cassava to water stress] ,  Response of cassava to water stress
Book 1981

Autor: Cock, James H. Domínguez O., Carlos E. Ceballos, L.F. Arregocés, Oscar
Enlace original: https://cgspace.cgiar.org/handle/10568/54595

Investigación en Agricultura
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Cock, James H. ,  Domínguez O., Carlos E. ,  Ceballos, L.F. ,  Arregocés, Oscar ,  [Un tipo ideal de planta de yuca para rendimiento máximo [conjunto audiotutorial]] ,  Un tipo ideal de planta de yuca para rendimiento máximo [conjunto audiotutorial]
Book 1979

Autor: Cock, James H. Domínguez O., Carlos E. Ceballos L., Luis Fernando Arregocés, Oscar

This audiotutorial unit (cassette, printed script, 76 color slides, study guide, self-evaluation test), prepared by the Communications Support Unit at CIAT, is available for use with a manually or automatically synchronized slide projector/cassette tape reccorder. Each unit is a vailabIe from the...

Esta unidad audiotutorial (cinta magnetofonica, guion, 76 transparencias a color, guia de estudio, auto-evaluacion), preparada por la Unidad de Comunicaciones del CIAT, esta disponible para usarla en sincronizacion automatica o manual por medio de un proyector de transparencias o una grabadora de...

Enlace original: https://cgspace.cgiar.org/handle/10568/77959

Investigación en Agricultura
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Cock, James H. ,  Domínguez O., Carlos E. ,  Ceballos L., Luis Fernando ,  Arregocés, Oscar ,  [Un tipo ideal de planta de yuca para rendimiento máximo [conjunto audiotutorial]] ,  Un tipo ideal de planta de yuca para rendimiento máximo [conjunto audiotutorial]
Journal Article 1979

Autor: Cock, James H. Franklin, D. Sandoval, G Juri, P.

A series of trials were carried out using cassava. Crop growth rate increased with leaf area up to LAI 4; root growth rate increased up to LAI 3-3.5, then declined. LAI is determined by leaf size, leaf formation rate and individual leaf life. Leaf size reached a max 4 mo after planting and then d...

Enlace original: https://cgspace.cgiar.org/handle/10568/69945

Investigación en Agricultura
Enlace permanente

Cock, James H. ,  Franklin, D. ,  Sandoval, G ,  Juri, P. ,  [La planta ideal de yuca para obtener rendimientos máximos] ,  La planta ideal de yuca para obtener rendimientos máximos
Journal Article 1976

Autor: Cock, James H.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/88330

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

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