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Background and aims:
Forage cropping systems may differentially affect the vertical distribution of roots and soil organic C stock (C-OM). In annual crops sequences (ACS) and perennial pastures (PP), we assessed the association between root biomass, C-OM, C in mineral-associated organic matter (C-MAOM), and C in particulate organic matter (C-POM) and its vertical distribution.
Methods:
Root biomass, C-OM, C-MAOM and C-POM were measured in a
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dc.contributor.author | Ojeda, Jonathan Jesus | |
dc.contributor.author | Caviglia, Octavio | |
dc.contributor.author | Agnusdei, Monica Graciela | |
dc.coverage.spatial | Pampa (general region) | |
dc.coverage.spatial | Argentina (nation) | |
dc.date.accessioned | 2018-07-24T14:23:18Z | |
dc.date.available | 2018-07-24T14:23:18Z | |
dc.date.issued | 2018-02 | |
dc.identifier.issn | 0032-079X | |
dc.identifier.issn | 1573-5036 (Online) | |
dc.identifier.other | https://doi.org/10.1007/s11104-017-3502-8 | |
dc.identifier.uri | http://hdl.handle.net/20.500.12123/2864 | |
dc.identifier.uri | https://link.springer.com/article/10.1007%2Fs11104-017-3502-8 | |
dc.description.abstract | Background and aims: Forage cropping systems may differentially affect the vertical distribution of roots and soil organic C stock (C-OM). In annual crops sequences (ACS) and perennial pastures (PP), we assessed the association between root biomass, C-OM, C in mineral-associated organic matter (C-MAOM), and C in particulate organic matter (C-POM) and its vertical distribution. Methods: Root biomass, C-OM, C-MAOM and C-POM were measured in a Petrocalcic Argiudol at five soil depths up to 100 cm during two years in the south-eastern Pampas of Argentina. The field experiment comprised 28 plots including five perennial pastures and two annual crop sequences. Associations between variables were assessed by regression analysis and non-linear models. Results: Overall, ACS and PP had similar cumulative root biomass. Both, root biomass and soil C stocks exponentially decreased with soil depth. Soil C stocks associated to root biomass tended to stabilize over a threshold value of root biomass for C-MAOM and C-OM. C-POM tended to stabilize over a threshold value only in treatments that included tall fescue. Conclusions: Our results highlights the key role of roots to improve soil C stocks through the design of forage crop rotations that include crops able to increase root inputs to the soil, such as tall fescue. | es_AR |
dc.format | application/pdf | eng |
dc.language.iso | eng | |
dc.publisher | Springer | eng |
dc.rights | info:eu-repo/semantics/restrictedAccess | eng |
dc.source | Plant and soil 423 (1–2) : 175–191. (February 2018) | eng |
dc.subject | Biomasa | es_AR |
dc.subject | Carbono | es_AR |
dc.subject | Materia Orgánica del Suelo | es_AR |
dc.subject | Raíces | es_AR |
dc.subject | Plantas Forrajeras | es_AR |
dc.subject | Sistemas de Cultivo | es_AR |
dc.subject | Cropping Systems | eng |
dc.subject | Feed Crops | eng |
dc.subject | Roots | eng |
dc.subject | Soil Organic Matter | eng |
dc.subject | Carbon | eng |
dc.subject | Biomass | eng |
dc.subject.other | Región Pampena | es_AR |
dc.title | Vertical distribution of root biomass and soil carbon stocks in forage cropping systems | eng |
dc.type | info:ar-repo/semantics/artículo | es_AR |
dc.type | info:eu-repo/semantics/article | eng |
dc.type | info:eu-repo/semantics/publishedVersion | eng |
dc.description.origen | EEA Paraná | es_AR |
dc.description.fil | Fil: Ojeda, Jonathan Jesus. Universidad Nacional de Entre Ríos. Facultad de Ciencias Agropecuarias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina | es_AR |
dc.description.fil | Fil: Caviglia, Octavio. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Paraná. Grupo Ecología Forestal; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Entre Ríos. Facultad de Ciencias Agropecuarias; Argentina | es_AR |
dc.description.fil | Fil: Agnusdei, Monica Graciela. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina | es_AR |
dc.subtype | cientifico |
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