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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 2015

Autor: Howland, Fanny Cecile Muñoz, Luis Armando Staiger-Rivas, Simone Cock, James H. Álvarez, S.
Enlace original: https://cgspace.cgiar.org/handle/10568/69528

Investigación en Agricultura
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Howland, Fanny Cecile ,  Muñoz, Luis Armando ,  Staiger-Rivas, Simone ,  Cock, James H. ,  Álvarez, S. ,  [Data sharing and use of ICTs in agriculture: working with small farmer groups in Colombia] ,  Data sharing and use of ICTs in agriculture: working with small farmer groups in Colombia
Journal Article 2011

Autor: Cock, James H. Oberthür, Thomas Isaacs, C. Läderach, Peter Palma, A Carbonell Gonzalez, JA Victoria, J. Watts, G Amaya, A. Collet, L Lema, G Anderson, E

For millennia farmers have continually improved their crop management and production practices through their observations and experience. More recently modern science and research methods based on controlled experiments became the most visible instrument of technological change in agriculture, ne...

Enlace original: https://cgspace.cgiar.org/handle/10568/43308

Investigación en Agricultura
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Cock, James H. ,  Oberthür, Thomas ,  Isaacs, C. ,  Läderach, Peter ,  Palma, A ,  Carbonell Gonzalez, JA ,  Victoria, J. ,  Watts, G ,  Amaya, A. ,  Collet, L ,  Lema, G ,  Anderson, E ,  [Crop management based on field observations: case studies in sugarcane and coffee] ,  Crop management based on field observations: case studies in sugarcane and coffee
Video 2013

Autor: Jarvis, Andy Agricultura Específica por Sitio Compartiendo Experiencias Cock, James H. Jiménez, D. Muñoz, L.A. Delerce, S Howland, Fanny Cecile Dorado, H. Martelo, C Gómez, C. Benavides, Hector Hoyos, J. Álvarez, S. Feijoo, K Arana, José Antonio Torres, C.W. Ruiz, L Montoya, T

Agricultura Específica por Sitio Compartiendo Experiencias (AESCE) propone compartir experiencias de éxitos y fracasos productivos entre los productores colombianos con el fin de ayudarles a mejorar sus niveles de productividad. Inicialmente, se trabajó con 4 regiones frutícolas (Aguacate, cítri...

Enlace original: https://cgspace.cgiar.org/handle/10568/68315

Investigación en Agricultura
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Jarvis, Andy ,  Agricultura Específica por Sitio Compartiendo Experiencias ,  Cock, James H. ,  Jiménez, D. ,  Muñoz, L.A. ,  Delerce, S ,  Howland, Fanny Cecile ,  Dorado, H. ,  Martelo, C ,  Gómez, C. ,  Benavides, Hector ,  Hoyos, J. ,  Álvarez, S. ,  Feijoo, K ,  Arana, José Antonio ,  Torres, C.W. ,  Ruiz, L ,  Montoya, T ,  [¿Qué es agricultura específica por sitio? ¿Cómo compartimos experiencias?] ,  ¿Qué es agricultura específica por sitio? ¿Cómo compartimos experiencias?
Journal Article 2011-03

Autor: Jiménez, D. Cock, James H. Jarvis, Andy García, J. Satizábal HF Damme, Patrick van Pérez Uribe, A. Barreto Sáenz, MA

Every time a farmer plants and harvests a crop represents a unique event or experiment. Our premise is that if it were possible to characterize the production system in terms of management and the environmental conditions, and if information on the harvested product were collected from a large nu...

Enlace original: https://cgspace.cgiar.org/handle/10568/41954

Investigación en Agricultura
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Jiménez, D. ,  Cock, James H. ,  Jarvis, Andy ,  García, J. ,  Satizábal HF ,  Damme, Patrick van ,  Pérez Uribe, A. ,  Barreto Sáenz, MA ,  [Interpretation of commercial production information: a case study of lulo (Solanum quitoense), an under-researched Andean fruit] ,  Interpretation of commercial production information: a case study of lulo (Solanum quitoense), an under-researched Andean fruit
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

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