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Report 1985

Autor: El-Sharkawy, Mabrouk A. Cock, James H.
Enlace original: https://cgspace.cgiar.org/handle/10568/71813

Investigación en Agricultura
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El-Sharkawy, Mabrouk A. ,  Cock, James H. ,  [The humidity factor in stomatal control and its effect on crop productivity] ,  The humidity factor in stomatal control and its effect on crop productivity
Book Chapter 1973

Autor: Cock, James H.

Results are presented of various trials with cassava. The importance of DM production and factors affecting it, such as LAI and leaf inclination, are discussed. The relative importance of DM production and its distribution, particularly in relation to spacing, are reviewed. The author suggests a ...

Se presentan los resultados de varios ensayos con yuca. Se discute la importancia de la produccion de MS y los factores que la afectan, tales como el IAF y la inclinacion de la hoja. Se revisa la importancia relativa de la produccion de MS y su distribucion, particularmente en relacion con la den...

Enlace original: https://cgspace.cgiar.org/handle/10568/81698

Investigación en Agricultura
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Cock, James H. ,  [Some physiological aspects of yield in cassava] ,  Some physiological aspects of yield in cassava
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
Journal Article 1981

Autor: Cock, James H.

Based on research results, the advantages of cassava over other crops, the use of improved cv. for different ecosystems, good management practices, crop protection, and soil fertility requirements are discussed in detail. (CIAT)

Enlace original: https://cgspace.cgiar.org/handle/10568/88493

Investigación en Agricultura
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Cock, James H. ,  [Some factors in successful cropping. 9. Cassava] ,  Some factors in successful cropping. 9. Cassava
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 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
Journal Article 1977

Autor: Cock, James H. Wholey, D.W. Gutiérrez de las Casas, O.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/88331

Investigación en Agricultura
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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)

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