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Journal Article 1987

Autor: Porto, M.C.M. El-Sharkawy, Mabrouk A. Cock, James H. Hernández, A. del P. Cadena, G. de

Growth and N uptake in pot-grown maize, beans, and cassava were evaluated under 2 levels of soil N at CIAT-Palmira (Colombia). The lower amount of the element reduced its uptake by the 3 species, resulting in lower tissue concn., especially in the leaves. Under low N, DM accumulation was also red...

Enlace original: https://cgspace.cgiar.org/handle/10568/88594

Investigación en Agricultura
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Porto, M.C.M. ,  El-Sharkawy, Mabrouk A. ,  Cock, James H. ,  Hernández, A. del P. ,  Cadena, G. de ,  [Crescimento, fotossintese e eficiencia do uso de nitrogenio em milho, feijao e mandioca submetidos a dois niveis de N no solo] ,  Crescimento, fotossintese e eficiencia do uso de nitrogenio em milho, feijao e mandioca submetidos a dois niveis de N no solo
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 1990

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

In recent studies of cassava at CIAT, net CO2 uptake rates of 20 to 35 ?mol CO2 m?2 s?1 were commonly observed. Cassava photosynthesis has a high optimum temperature (35°C) and a wide plateau (25 to 35°C) corresponding to the temperature range under which cassava is cultivated. Leaf photosynthesi...

Enlace original: https://cgspace.cgiar.org/handle/10568/43951

Investigación en Agricultura
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El-Sharkawy, Mabrouk A. ,  Cock, James H. ,  [Photosynthesis of cassava (Manihot esculenta)] ,  Photosynthesis of cassava (Manihot esculenta)
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
Journal Article 1987

Autor: Riano, N.M. Cock, James H. López F., Y. El-Sharkawy, Mabrouk A.

To determine the presence of Kranz anatomy, chloroplast structure and distribution in cassava leaf tissues, a selection was made among materials of CIAT`s germplasm bank. Two materials were selected, var. MCol 22 and hybrid CM 507-37; work was also carried out with maize var. Swan Laposta C48B (m...

Enlace original: https://cgspace.cgiar.org/handle/10568/88589

Investigación en Agricultura
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Riano, N.M. ,  Cock, James H. ,  López F., Y. ,  El-Sharkawy, Mabrouk A. ,  [Anatomia Kranz, estructura y distribucion de cloroplastos en hojas de yuca (Manihot esculenta Crantz)] ,  Anatomia Kranz, estructura y distribucion de cloroplastos en hojas de yuca (Manihot esculenta Crantz)
Journal Article 1987

Autor: Riano, N.M. Cock, James H. López F., Y. El-Sharkawy, Mabrouk A. Bastidas, G.

Cassava, bean, and maize leaves were fed with (14)CO2 in light; the primary products of photosynthesis were identified 5 and 10 s after assimilation. In cassava, approx. 40-60 percent were incorporated in C4 acids with 30-50 percent in phosphoglyceric acid, which indicates that cassava possesses ...

Enlace original: https://cgspace.cgiar.org/handle/10568/88590

Investigación en Agricultura
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Riano, N.M. ,  Cock, James H. ,  López F., Y. ,  El-Sharkawy, Mabrouk A. ,  Bastidas, G. ,  [Caracteristicas fotosinteticas de la yuca (Manihot esculenta Crantz): Productos iniciales de fijacion con (14)CO2] ,  Caracteristicas fotosinteticas de la yuca (Manihot esculenta Crantz): Productos iniciales de fijacion con (14)CO2
Journal Article 1978

Autor: Moore, C. Patrick Lozano M., Orlando Cock, James H.
Enlace original: https://cgspace.cgiar.org/handle/10568/88454

Investigación en Agricultura
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Moore, C. Patrick ,  Lozano M., Orlando ,  Cock, James H. ,  [Utilización de ensilaje de yuca (Manihot esculenta) forrajera como alimento para terneros en destete precoz] ,  Utilización de ensilaje de yuca (Manihot esculenta) forrajera como alimento para terneros en destete precoz
Journal Article 1978

Autor: Castaño Zapata, Jairo Lozano T., José Carlos Cock, James H.
Enlace original: https://cgspace.cgiar.org/handle/10568/88453

Investigación en Agricultura
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Castaño Zapata, Jairo ,  Lozano T., José Carlos ,  Cock, James H. ,  [Un sistema nuevo de almacenamiento de raíces de yuca (Manihot esculenta Crantz) [resumen]] ,  Un sistema nuevo de almacenamiento de raíces de yuca (Manihot esculenta Crantz) [resumen]
Journal Article 1984

Autor: Cock, James H.

Cassava is the 4th most important source of food energy in the tropics. More than 2/3 of the total production of this crop is used as food for humans, with lesser amounts being used for animal feed and industrial purposes. The ingestion of high levels of cassava has been associated with chronic c...

Enlace original: https://cgspace.cgiar.org/handle/10568/69941

Investigación en Agricultura
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Cock, James H. ,  [La yuca: una fuente básica de energía en los trópicos] ,  La yuca: una fuente básica de energía en los trópicos

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