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Journal Article 1987

Crescimento, fotossintese e eficiencia do uso de nitrogenio em milho, feijao e mandioca submetidos a dois niveis de N no solo

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

MANIHOT ESCULENTA

SOIL FERTILITY

NUTRIENT UPTAKE

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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 2009

Analysis of Andean blackberry (Rubus glaucus) production models obtained by means of artificial neural networks exploiting information collected by small-scale growers in Colombia and publicly available meteorological data

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

The Andean blackberry (Rubus glaucus) is an important source of income in hillside regions of Colombia. However, growers have little reliable information on the factors that affect the development and yield of the crop, and therefore there is a dearth of information onhowto effectively manage the...

Enlace original: https://cgspace.cgiar.org/handle/10568/43181

Investigación en Agricultura

MULBERRIES

RUBUS

HILLSIDES

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Jiménez, D. , Cock, James H. , Satizabal, HF , Barreto Sáenz, MA , Pérez Uribe, A. , Jarvis, Andy , Damme, Patrick van , [Analysis of Andean blackberry (Rubus glaucus) production models obtained by means of artificial neural networks exploiting information collected by small-scale growers in Colombia and publicly available meteorological data] , Analysis of Andean blackberry (Rubus glaucus) production models obtained by means of artificial neural networks exploiting information collected by small-scale growers in Colombia and publicly available meteorological data

Journal Article 1987

Response of cassava to water stress

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

MANIHOT ESCULENTA

CULTIVARS

WATER STRESS

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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

Some factors in successful cropping. 9. Cassava

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

MANIHOT ESCULENTA

BIOLOGICAL CONTROL

CLIMATIC REQUIREMENTS

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Cock, James H. , [Some factors in successful cropping. 9. Cassava] , Some factors in successful cropping. 9. Cassava

Journal Article 2011

Interpretation of commercial production information: a case study of lulo (Solanum quitoense), an under-researched Andean fruit

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

Enlace original: https://cgspace.cgiar.org/handle/10568/43606

Investigación en Agricultura

SOLANUM QUITOENSE

COMMERCIALIZATION

MODELS

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Jiménez, D. , Cock, James H. , Jarvis, Andy , García, J. , Satizabal, 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 1977

Effects of spacing on cassava (Manihot esculenta)

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

CULTIVARS

DRY MATTER

FIELD EXPERIMENTS

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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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Resultados de búsqueda

Crescimento, fotossintese e eficiencia do uso de nitrogenio em milho, feijao e mandioca submetidos a dois niveis de N no solo

Analysis of Andean blackberry (Rubus glaucus) production models obtained by means of artificial neural networks exploiting information collected by small-scale growers in Colombia and publicly available meteorological data

Response of cassava to water stress

Some factors in successful cropping. 9. Cassava

Interpretation of commercial production information: a case study of lulo (Solanum quitoense), an under-researched Andean fruit

Effects of spacing on cassava (Manihot esculenta)

Descubre y comparte nuestro conocimiento público

Resultados de búsqueda

Crescimento, fotossintese e eficiencia do uso de nitrogenio em milho, feijao e mandioca submetidos a dois niveis de N no solo

Analysis of Andean blackberry (Rubus glaucus) production models obtained by means of artificial neural networks exploiting information collected by small-scale growers in Colombia and publicly available meteorological data

[RF_Andy_Jarvis_James Cock_2009.pdf]

Response of cassava to water stress

Some factors in successful cropping. 9. Cassava

Interpretation of commercial production information: a case study of lulo (Solanum quitoense), an under-researched Andean fruit

Effects of spacing on cassava (Manihot esculenta)