Soil microbial functionality in response to the inclusion of cover crop mixtures in agricultural systems
Agricultural systems where monoculture prevails are characterized by fertility losses and reduced contribution to ecosystem services. Including cover crops (CC) as part of an agricultural system is a promising choice in sustainable intensification of those demanding systems. We evaluated soil microb...
| Autores principales: | , , , , , , , |
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| Formato: | info:eu-repo/semantics/article |
| Lenguaje: | Inglés |
| Publicado: |
2017
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| Acceso en línea: | http://hdl.handle.net/20.500.12123/892 http://revistas.inia.es/index.php/sjar/article/view/8395/2828 http://dx.doi.org/10.5424/sjar/2016142-8395 |
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| author | Chavarria, Diego N. Verdenelli, Romina Aylén Muñoz, Emiliano J. Conforto, Erica Cinthia Restovich, Silvina Beatriz Andriulo, Adrian Enrique Meriles, José Manuel Vargas Gil, Silvina |
| author_browse | Andriulo, Adrian Enrique Chavarria, Diego N. Conforto, Erica Cinthia Meriles, José Manuel Muñoz, Emiliano J. Restovich, Silvina Beatriz Vargas Gil, Silvina Verdenelli, Romina Aylén |
| author_facet | Chavarria, Diego N. Verdenelli, Romina Aylén Muñoz, Emiliano J. Conforto, Erica Cinthia Restovich, Silvina Beatriz Andriulo, Adrian Enrique Meriles, José Manuel Vargas Gil, Silvina |
| author_sort | Chavarria, Diego N. |
| collection | INTA Digital |
| description | Agricultural systems where monoculture prevails are characterized by fertility losses and reduced contribution to ecosystem services. Including cover crops (CC) as part of an agricultural system is a promising choice in sustainable intensification of those demanding systems. We evaluated soil microbial functionality in cash crops in response to the inclusion of CC by analyzing soil microbial functions at two different periods of the agricultural year (cash crop harvest and CC desiccation) during 2013 and 2014.
Three plant species were used as CC: oat (Avena sativa L.), vetch (Vicia sativa L.) and radish (Raphanus sativus L.) which were sown in two different mixtures of species: oat and radish mix (CC1) and oat, radish and vetch mix (CC2), with soybean monoculture and soybean/corn being the cash crops. The study of community level physiological profiles showed statistical differences in respiration of specific C sources indicating an improvement of catabolic diversity in CC treatments. Soil enzyme activities were also increased with the inclusion of CC mixtures, with values of dehydrogenase activity and fluorescein diacetate hydrolysis up to 38.1% and 35.3% higher than those of the control treatment, respectively. This research evidenced that CC inclusion promotes soil biological quality through a contribution of soil organic carbon, improving the sustainability of agrosystems. The use of a CC mixture of three plant species including the legume vetch increased soil biological processes and catabolic diversity, with no adverse effects on cash crop grain yield. |
| format | info:eu-repo/semantics/article |
| id | INTA892 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2017 |
| publishDateRange | 2017 |
| publishDateSort | 2017 |
| record_format | dspace |
| spelling | INTA8922022-07-13T19:37:32Z Soil microbial functionality in response to the inclusion of cover crop mixtures in agricultural systems Chavarria, Diego N. Verdenelli, Romina Aylén Muñoz, Emiliano J. Conforto, Erica Cinthia Restovich, Silvina Beatriz Andriulo, Adrian Enrique Meriles, José Manuel Vargas Gil, Silvina Biología del Suelo Sostenibilidad Microorganismos del Suelo Plantas de Cobertura Soil Biology Sustainability Soil Microorganisms Cover Plants Agricultural systems where monoculture prevails are characterized by fertility losses and reduced contribution to ecosystem services. Including cover crops (CC) as part of an agricultural system is a promising choice in sustainable intensification of those demanding systems. We evaluated soil microbial functionality in cash crops in response to the inclusion of CC by analyzing soil microbial functions at two different periods of the agricultural year (cash crop harvest and CC desiccation) during 2013 and 2014. Three plant species were used as CC: oat (Avena sativa L.), vetch (Vicia sativa L.) and radish (Raphanus sativus L.) which were sown in two different mixtures of species: oat and radish mix (CC1) and oat, radish and vetch mix (CC2), with soybean monoculture and soybean/corn being the cash crops. The study of community level physiological profiles showed statistical differences in respiration of specific C sources indicating an improvement of catabolic diversity in CC treatments. Soil enzyme activities were also increased with the inclusion of CC mixtures, with values of dehydrogenase activity and fluorescein diacetate hydrolysis up to 38.1% and 35.3% higher than those of the control treatment, respectively. This research evidenced that CC inclusion promotes soil biological quality through a contribution of soil organic carbon, improving the sustainability of agrosystems. The use of a CC mixture of three plant species including the legume vetch increased soil biological processes and catabolic diversity, with no adverse effects on cash crop grain yield. EEA Pergamino Fil: Chavarria, Diego N. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Patología Vegetal; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina; Argentina Fil: Verdenelli, Romina Aylen. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina Fil: Muñoz, Emiliano J. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Patología Vegetal; Argentina Fil: Conforto, Erica Cinthia. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Patología Vegetal; Argentina Fil: Restovich, Silvina Beatriz. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Pergamino; Argentina Fil: Andriulo, Adrian Enrique. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Pergamino; Argentina Fil: Meriles, Jose Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina Fil: Vargas Gil, Silvina. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Patología Vegetal; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina; Argentina 2017-08-02T17:04:13Z 2017-08-02T17:04:13Z 2016 info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/892 http://revistas.inia.es/index.php/sjar/article/view/8395/2828 2171-9292 http://dx.doi.org/10.5424/sjar/2016142-8395 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 Spanish Journal of Agricultural Research 14 (2) : e0304 |
| spellingShingle | Biología del Suelo Sostenibilidad Microorganismos del Suelo Plantas de Cobertura Soil Biology Sustainability Soil Microorganisms Cover Plants Chavarria, Diego N. Verdenelli, Romina Aylén Muñoz, Emiliano J. Conforto, Erica Cinthia Restovich, Silvina Beatriz Andriulo, Adrian Enrique Meriles, José Manuel Vargas Gil, Silvina Soil microbial functionality in response to the inclusion of cover crop mixtures in agricultural systems |
| title | Soil microbial functionality in response to the inclusion of cover crop mixtures in agricultural systems |
| title_full | Soil microbial functionality in response to the inclusion of cover crop mixtures in agricultural systems |
| title_fullStr | Soil microbial functionality in response to the inclusion of cover crop mixtures in agricultural systems |
| title_full_unstemmed | Soil microbial functionality in response to the inclusion of cover crop mixtures in agricultural systems |
| title_short | Soil microbial functionality in response to the inclusion of cover crop mixtures in agricultural systems |
| title_sort | soil microbial functionality in response to the inclusion of cover crop mixtures in agricultural systems |
| topic | Biología del Suelo Sostenibilidad Microorganismos del Suelo Plantas de Cobertura Soil Biology Sustainability Soil Microorganisms Cover Plants |
| url | http://hdl.handle.net/20.500.12123/892 http://revistas.inia.es/index.php/sjar/article/view/8395/2828 http://dx.doi.org/10.5424/sjar/2016142-8395 |
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