The effect of agriculture on topsoil carbon stocks is controlled by land use, climate, and soil properties in the Argentinean Pampas
The conversion of native grasslands into croplands with a high frequency of soybean (Glycine max L.) in crop rotations has diminished soil organic carbon (SOC) stocks in the Argentinean Pampas. The aims of our study were to determine the amount of SOC lost due to cultivation (dSOC) and to assess the...
| Autores principales: | , , , , , , , |
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| Formato: | info:ar-repo/semantics/artículo |
| Lenguaje: | Inglés |
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Elsevier
2023
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| Materias: | |
| Acceso en línea: | http://hdl.handle.net/20.500.12123/15113 https://www.sciencedirect.com/science/article/pii/S0341816222001126 https://doi.org/10.1016/j.catena.2022.106126 |
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| author | Wyngaard, Nicolás Crespo, Cecilia Angelini, Hernán Pablo Eyherabide, Mercedes Larrea, Gaston Emiliano Reussi Calvo, Nahuel Ignacio Carciocchi, Walter Daniel Sainz Rozas, Hernan Rene |
| author_browse | Angelini, Hernán Pablo Carciocchi, Walter Daniel Crespo, Cecilia Eyherabide, Mercedes Larrea, Gaston Emiliano Reussi Calvo, Nahuel Ignacio Sainz Rozas, Hernan Rene Wyngaard, Nicolás |
| author_facet | Wyngaard, Nicolás Crespo, Cecilia Angelini, Hernán Pablo Eyherabide, Mercedes Larrea, Gaston Emiliano Reussi Calvo, Nahuel Ignacio Carciocchi, Walter Daniel Sainz Rozas, Hernan Rene |
| author_sort | Wyngaard, Nicolás |
| collection | INTA Digital |
| description | The conversion of native grasslands into croplands with a high frequency of soybean (Glycine max L.) in crop rotations has diminished soil organic carbon (SOC) stocks in the Argentinean Pampas. The aims of our study were to determine the amount of SOC lost due to cultivation (dSOC) and to assess the main factors (land use, climate, and soil properties) associated with dSOC. We took paired topsoil samples (0 to 20 cm) from arable and pristine soils (n = 465) and used a path analysis approach to evaluate the direct and indirect effect of different variables on dSOC. The selected variables were SOC in pristine soils (SOCPRIS), clay content, carbon input (Cinput), relative soybean harvested area (Sb%), and mean annual precipitation and air temperature (PP and Temp, respectively). The percentage of sites with SOC < 20 g kg−1 was 29% in pristine soils and 66% in arable soils. The dSOC ranged from 0 to 82 Mg ha−1. Depending on the area, dSOC represented 25 to 36% of SOCPRIS stocks. The path analysis explained 60% of the dSOC variation, and the main factor controlling dSOC was SOCPRIS (by direct effect and indirect effects through clay, PP, and Temp), followed by Sb%. The Sb% depended on the productive potential of the area (soybean yield) which was associated with Temp and PP. As a conclusion, in the analysed temperate and fully humid environments, soils with greater SOCPRIS and high soybean frequency in the crop rotations presented a greater SOC depletion after conversion to agriculture. This information will be valuable when developing models to predict current and future SOC stocks. |
| format | info:ar-repo/semantics/artículo |
| id | INTA15113 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2023 |
| publishDateRange | 2023 |
| publishDateSort | 2023 |
| publisher | Elsevier |
| publisherStr | Elsevier |
| record_format | dspace |
| spelling | INTA151132023-09-06T10:33:52Z The effect of agriculture on topsoil carbon stocks is controlled by land use, climate, and soil properties in the Argentinean Pampas Wyngaard, Nicolás Crespo, Cecilia Angelini, Hernán Pablo Eyherabide, Mercedes Larrea, Gaston Emiliano Reussi Calvo, Nahuel Ignacio Carciocchi, Walter Daniel Sainz Rozas, Hernan Rene Ciencia del Suelo Materia Orgánica del Suelo Temperatura Soja Clima Textura del Suelo Soil Sciences Soil Organic Matter Temperature Soybeans Climate Soil Texture The conversion of native grasslands into croplands with a high frequency of soybean (Glycine max L.) in crop rotations has diminished soil organic carbon (SOC) stocks in the Argentinean Pampas. The aims of our study were to determine the amount of SOC lost due to cultivation (dSOC) and to assess the main factors (land use, climate, and soil properties) associated with dSOC. We took paired topsoil samples (0 to 20 cm) from arable and pristine soils (n = 465) and used a path analysis approach to evaluate the direct and indirect effect of different variables on dSOC. The selected variables were SOC in pristine soils (SOCPRIS), clay content, carbon input (Cinput), relative soybean harvested area (Sb%), and mean annual precipitation and air temperature (PP and Temp, respectively). The percentage of sites with SOC < 20 g kg−1 was 29% in pristine soils and 66% in arable soils. The dSOC ranged from 0 to 82 Mg ha−1. Depending on the area, dSOC represented 25 to 36% of SOCPRIS stocks. The path analysis explained 60% of the dSOC variation, and the main factor controlling dSOC was SOCPRIS (by direct effect and indirect effects through clay, PP, and Temp), followed by Sb%. The Sb% depended on the productive potential of the area (soybean yield) which was associated with Temp and PP. As a conclusion, in the analysed temperate and fully humid environments, soils with greater SOCPRIS and high soybean frequency in the crop rotations presented a greater SOC depletion after conversion to agriculture. This information will be valuable when developing models to predict current and future SOC stocks. Fil: Wyngaard, Nicolás. Universidad Nacional de Mar del Plata; Argentina. Fil: Wyngaard, Nicolás. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina. Fil: Crespo, Cecilia. Universidad Nacional de Mar del Plata; Argentina. Fil: Crespo, Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina. Fil: Angelini, Hernán Pablo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible; Argentina. Fil: Eyherabide, Mercedes. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible; Argentina. Fil: Larrea, Gastón. Instituto Nacional de Tecnología Agropecuaria. (INTA). Estación Experimental Agropecuaria Cuenca del Salado. Agencia De Extensión Rural Maipú; Argentina. Fil: Reussi Calvo, Nahuel Ignacio. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible; Argentina. Fil: Carciochi, Walter Daniel. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible; Argentina. Fil: Carciochi, Walter Daniel. Universidad Nacional de Mar del Plata. Facultad de Ciencias agrarias; Argentina. Fil: Sainz Rozas, Hernán René. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible; Argentina. Fil: Sainz Rozas, Hernán René. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. 2023-09-06T10:24:55Z 2023-09-06T10:24:55Z 2022-05 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/15113 https://www.sciencedirect.com/science/article/pii/S0341816222001126 0341-8162 (print) 1872-6887 (online) https://doi.org/10.1016/j.catena.2022.106126 eng info:eu-repograntAgreement/INTA/2019-PE-E2-I052-001, Desarrollo y aplicación de tecnologías para el control de la erosión y degradación de suelos info:eu-repo/semantics/restrictedAccess 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 Elsevier Catena 212 : 106126 (May 2022) |
| spellingShingle | Ciencia del Suelo Materia Orgánica del Suelo Temperatura Soja Clima Textura del Suelo Soil Sciences Soil Organic Matter Temperature Soybeans Climate Soil Texture Wyngaard, Nicolás Crespo, Cecilia Angelini, Hernán Pablo Eyherabide, Mercedes Larrea, Gaston Emiliano Reussi Calvo, Nahuel Ignacio Carciocchi, Walter Daniel Sainz Rozas, Hernan Rene The effect of agriculture on topsoil carbon stocks is controlled by land use, climate, and soil properties in the Argentinean Pampas |
| title | The effect of agriculture on topsoil carbon stocks is controlled by land use, climate, and soil properties in the Argentinean Pampas |
| title_full | The effect of agriculture on topsoil carbon stocks is controlled by land use, climate, and soil properties in the Argentinean Pampas |
| title_fullStr | The effect of agriculture on topsoil carbon stocks is controlled by land use, climate, and soil properties in the Argentinean Pampas |
| title_full_unstemmed | The effect of agriculture on topsoil carbon stocks is controlled by land use, climate, and soil properties in the Argentinean Pampas |
| title_short | The effect of agriculture on topsoil carbon stocks is controlled by land use, climate, and soil properties in the Argentinean Pampas |
| title_sort | effect of agriculture on topsoil carbon stocks is controlled by land use climate and soil properties in the argentinean pampas |
| topic | Ciencia del Suelo Materia Orgánica del Suelo Temperatura Soja Clima Textura del Suelo Soil Sciences Soil Organic Matter Temperature Soybeans Climate Soil Texture |
| url | http://hdl.handle.net/20.500.12123/15113 https://www.sciencedirect.com/science/article/pii/S0341816222001126 https://doi.org/10.1016/j.catena.2022.106126 |
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