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Book Chapter 2003

Autor: Amede, Tilahun Amézquita Collazos, Edgar Ashby, J.A. Ayarza, Miguel Angel Barrios, Edmundo Bationo, B. André Beebe, Stephen E. Bellotti, Anthony C. Blair, Matthew W. Delve, Robert J. Fujisaka, Sam Howeler, Reinhardt H. Johnson, Nancy L. Kaaria, Susan K. Kelemu, Segenet Kerridge, Peter C. Kirkby, Roger A. Lascano, Carlos E. Lefroy, R.D.B. Mahuku, George S. Murwira, Herbert K. Oberthür, Thomas Pachico, Douglas H. Peters, Michael Ramisch, Joshua J. Rao, Idupulapati M. Rondón, Marco Antonio Sanginga, Pascal C. Swift, M. Vanlauwe, Bernard

This paper describes the importance of biological nitrogen fixation (BNF) by legumeRhizobium symbiosis to tropical agriculture, the evolution of BNF paradigms, creation of strategic alliances to combat soil fertility degradation, and accomplishments of collaborative BNF-related research at CIAT-T...

Enlace original: https://cgspace.cgiar.org/handle/10568/77819

Investigación en Agricultura
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Amede, Tilahun ,  Amézquita Collazos, Edgar ,  Ashby, J.A. ,  Ayarza, Miguel Angel ,  Barrios, Edmundo ,  Bationo, B. André ,  Beebe, Stephen E. ,  Bellotti, Anthony C. ,  Blair, Matthew W. ,  Delve, Robert J. ,  Fujisaka, Sam ,  Howeler, Reinhardt H. ,  Johnson, Nancy L. ,  Kaaria, Susan K. ,  Kelemu, Segenet ,  Kerridge, Peter C. ,  Kirkby, Roger A. ,  Lascano, Carlos E. ,  Lefroy, R.D.B. ,  Mahuku, George S. ,  Murwira, Herbert K. ,  Oberthür, Thomas ,  Pachico, Douglas H. ,  Peters, Michael ,  Ramisch, Joshua J. ,  Rao, Idupulapati M. ,  Rondón, Marco Antonio ,  Sanginga, Pascal C. ,  Swift, M. ,  Vanlauwe, Bernard ,  [Biological nitrogen fixation: A key input to integrated soil fertility management in the tropics] ,  Biological nitrogen fixation: A key input to integrated soil fertility management in the tropics
Working Paper 2017-06-06

Autor: Anja, Christinck Weltzien, Eva Rattunde, Fred Ashby, J.A.

Changes in agro-ecological as well as socio-economic conditions lead to transformations of food and farming systems worldwide. Using plant varieties with new or different sets of traits can be one option for farmers to adapt to these changes; however, coping strategies and related varietal traits...

Enlace original: https://cgspace.cgiar.org/handle/10947/4660

Investigación en Agricultura
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Anja, Christinck ,  Weltzien, Eva ,  Rattunde, Fred ,  Ashby, J.A. ,  [Gender Differentiation of Farmer Preferences for Varietal Traits in Crop Improvement: Evidence and Issues] ,  Gender Differentiation of Farmer Preferences for Varietal Traits in Crop Improvement: Evidence and Issues
Brochure 1997

Autor: Ashby, J.A.
Enlace original: https://cgspace.cgiar.org/handle/10568/70282

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Ashby, J.A. ,  [The ecoregional program for Latin America : enhancing the effectiveness of agricultural research consortia working for sustainable development in four important agroecosystems] ,  The ecoregional program for Latin America : enhancing the effectiveness of agricultural research consortia working for sustainable development in four important agroecosystems
Conference Paper 1997

Autor: Knapp, EB Ashby, J.A. Ravnborg, Helle Munk Bell, William C.
Enlace original: https://cgspace.cgiar.org/handle/10568/69813

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Knapp, EB ,  Ashby, J.A. ,  Ravnborg, Helle Munk ,  Bell, William C. ,  [A landscape that unites: community-led management of andean watershed resources] ,  A landscape that unites: community-led management of andean watershed resources
Conference Paper 1992

Autor: Ashby, J.A. Sperling, L.
Enlace original: https://cgspace.cgiar.org/handle/10568/69760

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Ashby, J.A. ,  Sperling, L. ,  [Institutionalizing participatory, client-driven research and technology development in agriculture] ,  Institutionalizing participatory, client-driven research and technology development in agriculture
Journal Article 1986

Autor: Ashby, J.A.

Although farmer participation is an important concept in farming systems programs, farmer participation is typically restricted to the management of on-farm trials and little information exists on alternative approaches. This paper evaluates three approaches to farmer participation differentiated...

Enlace original: https://cgspace.cgiar.org/handle/10568/88577

Investigación en Agricultura
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Ashby, J.A. ,  [Methodology for the participation of small farmers in the design of on-farm trials] ,  Methodology for the participation of small farmers in the design of on-farm trials
Book 1996

Autor: Guerrero, MDP Ashby, J.A. Gracia, T.
Enlace original: https://cgspace.cgiar.org/handle/10568/54020

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Guerrero, MDP ,  Ashby, J.A. ,  Gracia, T. ,  [Evaluación de tecnología con productores: ordenamiento de preferencias] ,  Evaluación de tecnología con productores: ordenamiento de preferencias
Book 1996

Autor: Guerrero, MDP Ashby, J.A. Gracia, T.
Enlace original: https://cgspace.cgiar.org/handle/10568/54323

Investigación en Agricultura
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Guerrero, MDP ,  Ashby, J.A. ,  Gracia, T. ,  [Avaliaçao de tecnologia com agricultores: classificaçao de preferências] ,  Avaliaçao de tecnologia com agricultores: classificaçao de preferências

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