Carbon dioxide fluxes on a soybean field in Argentina: influence of crop growth stages
CO2 fluxes were measured in a soybean field in the Province of Buenos Aires, Argentina, with an eddy covariance system consisting of a CO2/H2O infrared gas analyzer and a sonic anemometer. The measurements were carried out between 24th December 2008 and 31st March 2009. The measurements continued to...
| Autores principales: | , , , , , |
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| Formato: | Artículo |
| Lenguaje: | Inglés |
| Publicado: |
Bentham Open
2019
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| Materias: | |
| Acceso en línea: | http://hdl.handle.net/20.500.12123/4939 https://openagriculturejournal.com/VOLUME/4/PAGE/58/ |
| _version_ | 1855483524502519808 |
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| author | Posse Beaulieu, Gabriela Richter, Klaus Corin, Jorgelina Mariana Lewczuk, Nuria Andrea Achkar, Antonio Rebella, Cesar Manuel |
| author_browse | Achkar, Antonio Corin, Jorgelina Mariana Lewczuk, Nuria Andrea Posse Beaulieu, Gabriela Rebella, Cesar Manuel Richter, Klaus |
| author_facet | Posse Beaulieu, Gabriela Richter, Klaus Corin, Jorgelina Mariana Lewczuk, Nuria Andrea Achkar, Antonio Rebella, Cesar Manuel |
| author_sort | Posse Beaulieu, Gabriela |
| collection | INTA Digital |
| description | CO2 fluxes were measured in a soybean field in the Province of Buenos Aires, Argentina, with an eddy covariance system consisting of a CO2/H2O infrared gas analyzer and a sonic anemometer. The measurements were carried out between 24th December 2008 and 31st March 2009. The measurements continued to be carried out even after the growing season, in order to capture data on the CO2 fluxes of dying plants and weed plants established after it. Changes in phenology and botanical composition were accompanied with important changes in CO2 flux values and on the relative importance exercised by three meteorological variables selected to describe the environmental condition: solar radiation, air temperature and vapor pressure deficit (VPD). The maximum CO2 fluxes were recorded before noon and reached values up to approximately 1.0 mg CO2 m-2 s-1, having a relation with the global radiation and VPD values. This low value was probably associated with the few rain registered during the spring. When senescence took place, respiration processes became more important and the field acted as a source of CO2. A weak relation was found then with the environmental conditions. Carbon dioxide uptake was reestablished when the soil was covered by weeds but at a much lower rate. The maximum flux value was then around 0.3 mg m-2 s-1. Carbon dioxide flux was strongly associated with global radiation, which explained 80% of the variance. |
| format | Artículo |
| id | INTA4939 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2019 |
| publishDateRange | 2019 |
| publishDateSort | 2019 |
| publisher | Bentham Open |
| publisherStr | Bentham Open |
| record_format | dspace |
| spelling | INTA49392019-04-22T13:09:28Z Carbon dioxide fluxes on a soybean field in Argentina: influence of crop growth stages Posse Beaulieu, Gabriela Richter, Klaus Corin, Jorgelina Mariana Lewczuk, Nuria Andrea Achkar, Antonio Rebella, Cesar Manuel Dióxido de Carbono Soja Glycine Max Etapas de Desarrollo de la Planta Secuestro de Carbono Carbon Dioxide Soybeans Plant Developmental Stages Carbon Sequestration CO2 Argentina Multiple Regressions Eddy Covariance Phenological Stage CO2 fluxes were measured in a soybean field in the Province of Buenos Aires, Argentina, with an eddy covariance system consisting of a CO2/H2O infrared gas analyzer and a sonic anemometer. The measurements were carried out between 24th December 2008 and 31st March 2009. The measurements continued to be carried out even after the growing season, in order to capture data on the CO2 fluxes of dying plants and weed plants established after it. Changes in phenology and botanical composition were accompanied with important changes in CO2 flux values and on the relative importance exercised by three meteorological variables selected to describe the environmental condition: solar radiation, air temperature and vapor pressure deficit (VPD). The maximum CO2 fluxes were recorded before noon and reached values up to approximately 1.0 mg CO2 m-2 s-1, having a relation with the global radiation and VPD values. This low value was probably associated with the few rain registered during the spring. When senescence took place, respiration processes became more important and the field acted as a source of CO2. A weak relation was found then with the environmental conditions. Carbon dioxide uptake was reestablished when the soil was covered by weeds but at a much lower rate. The maximum flux value was then around 0.3 mg m-2 s-1. Carbon dioxide flux was strongly associated with global radiation, which explained 80% of the variance. Instituto de Clima y Agua Fil: Posse Beaulieu, Gabriela. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Clima y Agua; Argentina Fil: Richter, Klaus. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Clima y Agua; Argentina Fil: Corin, Jorgelina Mariana. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Clima y Agua; Argentina Fil: Lewczuk, Nuria Andrea. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Clima y Agua; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Achkar, Antonio. Universidad Católica de Santa Fe. Área Informática; Argentina Fil: Rebella, Cesar Manuel. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Clima y Agua; Argentina 2019-04-22T13:01:53Z 2019-04-22T13:01:53Z 2010 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/4939 https://openagriculturejournal.com/VOLUME/4/PAGE/58/ 1874-3315 10.2174/1874331501004010058 eng info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf Argentina (nation) Bentham Open Open agriculture journal 4 : 58-63. (2010) |
| spellingShingle | Dióxido de Carbono Soja Glycine Max Etapas de Desarrollo de la Planta Secuestro de Carbono Carbon Dioxide Soybeans Plant Developmental Stages Carbon Sequestration CO2 Argentina Multiple Regressions Eddy Covariance Phenological Stage Posse Beaulieu, Gabriela Richter, Klaus Corin, Jorgelina Mariana Lewczuk, Nuria Andrea Achkar, Antonio Rebella, Cesar Manuel Carbon dioxide fluxes on a soybean field in Argentina: influence of crop growth stages |
| title | Carbon dioxide fluxes on a soybean field in Argentina: influence of crop growth stages |
| title_full | Carbon dioxide fluxes on a soybean field in Argentina: influence of crop growth stages |
| title_fullStr | Carbon dioxide fluxes on a soybean field in Argentina: influence of crop growth stages |
| title_full_unstemmed | Carbon dioxide fluxes on a soybean field in Argentina: influence of crop growth stages |
| title_short | Carbon dioxide fluxes on a soybean field in Argentina: influence of crop growth stages |
| title_sort | carbon dioxide fluxes on a soybean field in argentina influence of crop growth stages |
| topic | Dióxido de Carbono Soja Glycine Max Etapas de Desarrollo de la Planta Secuestro de Carbono Carbon Dioxide Soybeans Plant Developmental Stages Carbon Sequestration CO2 Argentina Multiple Regressions Eddy Covariance Phenological Stage |
| url | http://hdl.handle.net/20.500.12123/4939 https://openagriculturejournal.com/VOLUME/4/PAGE/58/ |
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