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Report 2001

Autor: Friesen, Dennis K.

The parasitic weed Striga hermonthica has become one of the most significant constraints to cereal production in western Kenya. In 1995 a collaborative project was initiated to develop control technologies for Kenyan farmers.

Enlace original: https://cgspace.cgiar.org/handle/10568/76963

Investigación en Agricultura
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Friesen, Dennis K. ,  [Development and diffusion of integrated Striga control practices for small-scale farmers in western Kenya] ,  Development and diffusion of integrated Striga control practices for small-scale farmers in western Kenya
Report 1994

Autor: Gijsman, AJ Oberson, Astrid Tiessen, H. Friesen, Dennis K.
Enlace original: https://cgspace.cgiar.org/handle/10568/71541

Investigación en Agricultura
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Gijsman, AJ ,  Oberson, Astrid ,  Tiessen, H. ,  Friesen, Dennis K. ,  [A cautionary note about the use of the CENTURY soil-organic-matter model for ecosystems on highly-weathered tropical low-P soils] ,  A cautionary note about the use of the CENTURY soil-organic-matter model for ecosystems on highly-weathered tropical low-P soils
Report 1995

Autor: Friesen, Dennis K.
Enlace original: https://cgspace.cgiar.org/handle/10568/71576

Investigación en Agricultura
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Friesen, Dennis K. ,  [Culticore : sustainable crop rotation and ley farming systems for the acid-soil savannas] ,  Culticore : sustainable crop rotation and ley farming systems for the acid-soil savannas
Conference Paper 2002

Autor: Amézquita Collazos, Edgar Friesen, Dennis K. Rivera, Mariela Rao, Idupulapati M. Barrios, Edmundo Jiménez Serna, Juan de la Cruz Decaëns, Thibaud Thomas, Richard J.
Enlace original: https://cgspace.cgiar.org/handle/10568/78719

Investigación en Agricultura
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Amézquita Collazos, Edgar ,  Friesen, Dennis K. ,  Rivera, Mariela ,  Rao, Idupulapati M. ,  Barrios, Edmundo ,  Jiménez Serna, Juan de la Cruz ,  Decaëns, Thibaud ,  Thomas, Richard J. ,  [Sustainability of crop rotation and ley pasture systems on the acid-soil savannas of South America] ,  Sustainability of crop rotation and ley pasture systems on the acid-soil savannas of South America
Conference Paper 2000

Autor: Oberson, Astrid Friesen, Dennis K. Rao, Idupulapati M. Buehler, S. Frossard, Emmanuel
Enlace original: https://cgspace.cgiar.org/handle/10568/78740

Investigación en Agricultura
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Oberson, Astrid ,  Friesen, Dennis K. ,  Rao, Idupulapati M. ,  Buehler, S. ,  Frossard, Emmanuel ,  [Phosphorus transformations in an oxisol under contrasting agricultural systems: the role of the microbial biomass] ,  Phosphorus transformations in an oxisol under contrasting agricultural systems: the role of the microbial biomass
Presentation 2009-12-01

Autor: Friesen, Dennis K.

Presentation by D. Friesen (CIMMYT) to the CGIAR Systemwide Livestock Programme Livestock Policy Group Meeting, 1 December 2009

Enlace original: https://cgspace.cgiar.org/handle/10568/205

Investigación en Agricultura
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Friesen, Dennis K. ,  [Improving the value of maize as livestock feed to enhance the livelihoods of maize-livestock farmers in East Africa] ,  Improving the value of maize as livestock feed to enhance the livelihoods of maize-livestock farmers in East Africa
Poster 2009-10-04

Autor: Nilupa, S. Gunaratna, N.S. Groote, H. de Ghosh, S. Mwabu, D. Ergano, Kebebe Lyimo, S. Ouma, J.O. Kyazze, Florence B. Friesen, Dennis K.
Enlace original: https://cgspace.cgiar.org/handle/10568/95

Investigación en Agricultura
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Nilupa, S. ,  Gunaratna, N.S. ,  Groote, H. de ,  Ghosh, S. ,  Mwabu, D. ,  Ergano, Kebebe ,  Lyimo, S. ,  Ouma, J.O. ,  Kyazze, Florence B. ,  Friesen, Dennis K. ,  [Geographical and temporal patterns of household food security in maize-growing areas of East Africa] ,  Geographical and temporal patterns of household food security in maize-growing areas of East Africa
Journal Article 2001

Autor: Oberson, Astrid Friesen, Dennis K. Rao, Idupulapati M. Buhler, S Frossard, Emmanuel

It is generally assumed that phosphorus (P) availability for plant growth on highly weathered and P-deficient tropical soils may depend more on biologically mediated organic P (Po) turnover processes than on the release of adsorbed inorganic P (Pi). However, experimental evidence showing the link...

Enlace original: https://cgspace.cgiar.org/handle/10568/43949

Investigación en Agricultura
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Oberson, Astrid ,  Friesen, Dennis K. ,  Rao, Idupulapati M. ,  Buhler, S ,  Frossard, Emmanuel ,  [Phosphorus transformations in an oxisol under contrasting land-use systems: The role of the soil microbial biomass] ,  Phosphorus transformations in an oxisol under contrasting land-use systems: The role of the soil microbial biomass
Book Chapter 2013

Autor: Friesen, Dennis K. Rao, Idupulapati M. Thomas, Richard J. Oberson, Astrid Sanz Scovino, José Ignacio
Enlace original: https://cgspace.cgiar.org/handle/10568/55630

Investigación en Agricultura
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Friesen, Dennis K. ,  Rao, Idupulapati M. ,  Thomas, Richard J. ,  Oberson, Astrid ,  Sanz Scovino, José Ignacio ,  [Adquisición y reciclaje de fósforo en sistemas de cultivos y pasturas en suelos tropicales de baja fertilidad] ,  Adquisición y reciclaje de fósforo en sistemas de cultivos y pasturas en suelos tropicales de baja fertilidad

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