Biological nitrogen fixation: A key input to integrated soil fertility management in the tropics
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-TSBF...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
|---|---|
| Format: | Book Chapter |
| Language: | Inglés |
| Published: |
Institut National de Recherche Agronomique
2003
|
| Subjects: | |
| Online Access: | https://hdl.handle.net/10568/77819 |
| _version_ | 1855522411976327168 |
|---|---|
| author | Amede, Tilahun Amézquita Collazos, Edgar Ashby, Jacqueline 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 Aguilar, Carlos Eduardo Lefroy, Rod 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 |
| author_browse | Amede, Tilahun Amézquita Collazos, Edgar Ashby, Jacqueline 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 Aguilar, Carlos Eduardo Lefroy, Rod 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 |
| author_facet | Amede, Tilahun Amézquita Collazos, Edgar Ashby, Jacqueline 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 Aguilar, Carlos Eduardo Lefroy, Rod 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 |
| author_sort | Amede, Tilahun |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | 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-TSBFI. It suggests that a holistic-multidisciplinary-systems approach is needed to integrate BNFefficient arid stress adapted legumes into smallholder systems. It proposes a number of research and development priorities for achieving improved BNF contributions through integrated soil fertility management, a holistic approach to soil fertility that includes all driving factors and consequences of soil degradation. Although BNF has not proved a solution for strain selection or breeding of host, modest progress has been registered. The technology is economically viable. The environment is at least as limiting on BNF as is the strain and the host. The benefits of BNF are best expressed in the context of an agronomic management system that addresses other components of the crop, especially P supply, drought stress and frequently, starter N. Selection for BNF capacity under physiological stress has revealed genotypes worth exploiting more fully. Research efforts on BNF in tropical forage legumes indicated that the main constraints to their widespread adoption include a lack of legume persistence, presence of anti-quality factors such as tannins, variable Bradyrhizobium requirements, and a lack of acceptability by farmers. Farmerparticipatory selection of legumes for increased acceptability is needed. Substantial progress was made in creating an organic resource database and using it to construct a decision support system for organic matter management. Analysis of organic resource data indicated a set of critical values of nitrogen, lignin and polyphenol content for predicting the "fertilizer equivalence" of organic inputs. This provides armers with guidelines for appropriate use of organic materials for soil fertility improvement. The paper also suggests key interventions that are needed to achieve greater impact of legume-BNF technologies |
| format | Book Chapter |
| id | CGSpace77819 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2003 |
| publishDateRange | 2003 |
| publishDateSort | 2003 |
| publisher | Institut National de Recherche Agronomique |
| publisherStr | Institut National de Recherche Agronomique |
| record_format | dspace |
| spelling | CGSpace778192025-03-13T09:44:09Z Biological nitrogen fixation: A key input to integrated soil fertility management in the tropics Amede, Tilahun Amézquita Collazos, Edgar Ashby, Jacqueline 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 Aguilar, Carlos Eduardo Lefroy, Rod 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 nitrogen fixation soil fertility legumes rhizobium symbiosis soil degradation fijación del nitrógeno fertilidad del suelo leguminosas simbiosis degradación del suelo 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-TSBFI. It suggests that a holistic-multidisciplinary-systems approach is needed to integrate BNFefficient arid stress adapted legumes into smallholder systems. It proposes a number of research and development priorities for achieving improved BNF contributions through integrated soil fertility management, a holistic approach to soil fertility that includes all driving factors and consequences of soil degradation. Although BNF has not proved a solution for strain selection or breeding of host, modest progress has been registered. The technology is economically viable. The environment is at least as limiting on BNF as is the strain and the host. The benefits of BNF are best expressed in the context of an agronomic management system that addresses other components of the crop, especially P supply, drought stress and frequently, starter N. Selection for BNF capacity under physiological stress has revealed genotypes worth exploiting more fully. Research efforts on BNF in tropical forage legumes indicated that the main constraints to their widespread adoption include a lack of legume persistence, presence of anti-quality factors such as tannins, variable Bradyrhizobium requirements, and a lack of acceptability by farmers. Farmerparticipatory selection of legumes for increased acceptability is needed. Substantial progress was made in creating an organic resource database and using it to construct a decision support system for organic matter management. Analysis of organic resource data indicated a set of critical values of nitrogen, lignin and polyphenol content for predicting the "fertilizer equivalence" of organic inputs. This provides armers with guidelines for appropriate use of organic materials for soil fertility improvement. The paper also suggests key interventions that are needed to achieve greater impact of legume-BNF technologies 2003 2016-11-22T15:31:56Z 2016-11-22T15:31:56Z Book Chapter https://hdl.handle.net/10568/77819 en Open Access Institut National de Recherche Agronomique International Crops Research Institute for the Semi-Arid Tropics Amede, Tilahun; Amézquita Collazos, Edgar; Ashby, Jacqueline Anne; Ayarza, Miguel Angel; Barrios, Edmundo; Bationo, 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 Alexander; Lascano, Carlos E.; Lefroy, Rod; Mahuku, George S.; Murwira, Herbert K.; Oberthür, Thomas; Pachico, Douglas H.; Peters, Michael; Ramisch, Joshua J.; Rao, Idupulapati Madhusudana; Rondón, Marco Antonio; Sanginga, Pascal C.; Swift, M.; Vanlauwe, Bernard. 2003. Biological nitrogen fixation: A key input to integrated soil fertility management in the tropics. In: Workshop on Biological Nitrogen Fixation for Increased Crop Productivity, Enhanced Human Health and Sustained Soil Fertility (2002, Montpellier, France). Papers presented. Institut National de Recherche Agronomique (INRA); Patancheru, IN: International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Montpellier, FR. p. 113-143. |
| spellingShingle | nitrogen fixation soil fertility legumes rhizobium symbiosis soil degradation fijación del nitrógeno fertilidad del suelo leguminosas simbiosis degradación del suelo Amede, Tilahun Amézquita Collazos, Edgar Ashby, Jacqueline 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 Aguilar, Carlos Eduardo Lefroy, Rod 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 |
| title | Biological nitrogen fixation: A key input to integrated soil fertility management in the tropics |
| title_full | Biological nitrogen fixation: A key input to integrated soil fertility management in the tropics |
| title_fullStr | Biological nitrogen fixation: A key input to integrated soil fertility management in the tropics |
| title_full_unstemmed | Biological nitrogen fixation: A key input to integrated soil fertility management in the tropics |
| title_short | Biological nitrogen fixation: A key input to integrated soil fertility management in the tropics |
| title_sort | biological nitrogen fixation a key input to integrated soil fertility management in the tropics |
| topic | nitrogen fixation soil fertility legumes rhizobium symbiosis soil degradation fijación del nitrógeno fertilidad del suelo leguminosas simbiosis degradación del suelo |
| url | https://hdl.handle.net/10568/77819 |
| work_keys_str_mv | AT amedetilahun biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT amezquitacollazosedgar biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT ashbyjacquelinea biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT ayarzamiguelangel biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT barriosedmundo biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT bationobandre biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT beebestephene biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT bellottianthonyc biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT blairmattheww biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT delverobertj biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT fujisakasam biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT howelerreinhardth biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT johnsonnancyl biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT kaariasusank biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT kelemusegenet biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT kerridgepeterc biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT kirkbyrogera biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT lascanoaguilarcarloseduardo biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT lefroyroddb biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT mahukugeorges biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT murwiraherbertk biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT oberthurthomas biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT pachicodouglash biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT petersmichael biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT ramischjoshuaj biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT raoidupulapatim biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT rondonmarcoantonio biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT sangingapascalc biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT swiftm biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics AT vanlauwebernard biologicalnitrogenfixationakeyinputtointegratedsoilfertilitymanagementinthetropics |