Plant rhizodeposition: A key factor for soil organic matter formation in stable fractions
- Autores
- Villarino, Sebastián Horacio; Pinto, Priscila; Jackson, Robert B.; Piñeiro, Gervasio
- Año de publicación
- 2021
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Soil organic carbon formation remains poorly understood despite its importance for human livelihoods. Uncertainties remain for the relative contributions of aboveground, root, and rhizodeposition inputs to particulate (POC) and mineral-Associated (MAOC) organic carbon fractions. Combining a novel framework with isotope tracer studies, we quantified POC and MAOC formation efficiencies (% of C-inputs incorporated into each fraction). We found that rhizodeposition inputs have the highest MAOC formation efficiency (46%) as compared to roots (9%) or aboveground inputs (7%). In addition, rhizodeposition unexpectedly reduced POC formation, likely because it increased decomposition rates of new POC. Conversely, root biomass inputs have the highest POC formation efficiency (19%). Therefore, rhizodeposition and roots appear to play opposite but complementary roles for building MAOC and POC fractions.
Fil: Villarino, Sebastián Horacio. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina
Fil: Pinto, Priscila. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura; Argentina
Fil: Jackson, Robert B.. University of Stanford; Estados Unidos
Fil: Piñeiro, Gervasio. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura; Argentina - Materia
-
SOIL CARBON
MINERAL‐ASSOCIATED ORGANIC MATTER
PARTICULATE ORGANIC MATTER - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/164549
Ver los metadatos del registro completo
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Plant rhizodeposition: A key factor for soil organic matter formation in stable fractionsVillarino, Sebastián HoracioPinto, PriscilaJackson, Robert B.Piñeiro, GervasioSOIL CARBONMINERAL‐ASSOCIATED ORGANIC MATTERPARTICULATE ORGANIC MATTERhttps://purl.org/becyt/ford/4.1https://purl.org/becyt/ford/4Soil organic carbon formation remains poorly understood despite its importance for human livelihoods. Uncertainties remain for the relative contributions of aboveground, root, and rhizodeposition inputs to particulate (POC) and mineral-Associated (MAOC) organic carbon fractions. Combining a novel framework with isotope tracer studies, we quantified POC and MAOC formation efficiencies (% of C-inputs incorporated into each fraction). We found that rhizodeposition inputs have the highest MAOC formation efficiency (46%) as compared to roots (9%) or aboveground inputs (7%). In addition, rhizodeposition unexpectedly reduced POC formation, likely because it increased decomposition rates of new POC. Conversely, root biomass inputs have the highest POC formation efficiency (19%). Therefore, rhizodeposition and roots appear to play opposite but complementary roles for building MAOC and POC fractions.Fil: Villarino, Sebastián Horacio. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; ArgentinaFil: Pinto, Priscila. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura; ArgentinaFil: Jackson, Robert B.. University of Stanford; Estados UnidosFil: Piñeiro, Gervasio. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura; ArgentinaScience Advances is the American Association for the Advancement of Science2021-04info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/164549Villarino, Sebastián Horacio; Pinto, Priscila; Jackson, Robert B.; Piñeiro, Gervasio; Plant rhizodeposition: A key factor for soil organic matter formation in stable fractions; Science Advances is the American Association for the Advancement of Science; Science Advances; 7; 16; 4-2021; 1-142375-2548CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://advances.sciencemag.org/lookup/doi/10.1126/sciadv.abd3176info:eu-repo/semantics/altIdentifier/doi/10.1126/sciadv.abd3176info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:40:26Zoai:ri.conicet.gov.ar:11336/164549instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:40:26.314CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Plant rhizodeposition: A key factor for soil organic matter formation in stable fractions |
title |
Plant rhizodeposition: A key factor for soil organic matter formation in stable fractions |
spellingShingle |
Plant rhizodeposition: A key factor for soil organic matter formation in stable fractions Villarino, Sebastián Horacio SOIL CARBON MINERAL‐ASSOCIATED ORGANIC MATTER PARTICULATE ORGANIC MATTER |
title_short |
Plant rhizodeposition: A key factor for soil organic matter formation in stable fractions |
title_full |
Plant rhizodeposition: A key factor for soil organic matter formation in stable fractions |
title_fullStr |
Plant rhizodeposition: A key factor for soil organic matter formation in stable fractions |
title_full_unstemmed |
Plant rhizodeposition: A key factor for soil organic matter formation in stable fractions |
title_sort |
Plant rhizodeposition: A key factor for soil organic matter formation in stable fractions |
dc.creator.none.fl_str_mv |
Villarino, Sebastián Horacio Pinto, Priscila Jackson, Robert B. Piñeiro, Gervasio |
author |
Villarino, Sebastián Horacio |
author_facet |
Villarino, Sebastián Horacio Pinto, Priscila Jackson, Robert B. Piñeiro, Gervasio |
author_role |
author |
author2 |
Pinto, Priscila Jackson, Robert B. Piñeiro, Gervasio |
author2_role |
author author author |
dc.subject.none.fl_str_mv |
SOIL CARBON MINERAL‐ASSOCIATED ORGANIC MATTER PARTICULATE ORGANIC MATTER |
topic |
SOIL CARBON MINERAL‐ASSOCIATED ORGANIC MATTER PARTICULATE ORGANIC MATTER |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/4.1 https://purl.org/becyt/ford/4 |
dc.description.none.fl_txt_mv |
Soil organic carbon formation remains poorly understood despite its importance for human livelihoods. Uncertainties remain for the relative contributions of aboveground, root, and rhizodeposition inputs to particulate (POC) and mineral-Associated (MAOC) organic carbon fractions. Combining a novel framework with isotope tracer studies, we quantified POC and MAOC formation efficiencies (% of C-inputs incorporated into each fraction). We found that rhizodeposition inputs have the highest MAOC formation efficiency (46%) as compared to roots (9%) or aboveground inputs (7%). In addition, rhizodeposition unexpectedly reduced POC formation, likely because it increased decomposition rates of new POC. Conversely, root biomass inputs have the highest POC formation efficiency (19%). Therefore, rhizodeposition and roots appear to play opposite but complementary roles for building MAOC and POC fractions. Fil: Villarino, Sebastián Horacio. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina Fil: Pinto, Priscila. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura; Argentina Fil: Jackson, Robert B.. University of Stanford; Estados Unidos Fil: Piñeiro, Gervasio. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura; Argentina |
description |
Soil organic carbon formation remains poorly understood despite its importance for human livelihoods. Uncertainties remain for the relative contributions of aboveground, root, and rhizodeposition inputs to particulate (POC) and mineral-Associated (MAOC) organic carbon fractions. Combining a novel framework with isotope tracer studies, we quantified POC and MAOC formation efficiencies (% of C-inputs incorporated into each fraction). We found that rhizodeposition inputs have the highest MAOC formation efficiency (46%) as compared to roots (9%) or aboveground inputs (7%). In addition, rhizodeposition unexpectedly reduced POC formation, likely because it increased decomposition rates of new POC. Conversely, root biomass inputs have the highest POC formation efficiency (19%). Therefore, rhizodeposition and roots appear to play opposite but complementary roles for building MAOC and POC fractions. |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021-04 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/164549 Villarino, Sebastián Horacio; Pinto, Priscila; Jackson, Robert B.; Piñeiro, Gervasio; Plant rhizodeposition: A key factor for soil organic matter formation in stable fractions; Science Advances is the American Association for the Advancement of Science; Science Advances; 7; 16; 4-2021; 1-14 2375-2548 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/164549 |
identifier_str_mv |
Villarino, Sebastián Horacio; Pinto, Priscila; Jackson, Robert B.; Piñeiro, Gervasio; Plant rhizodeposition: A key factor for soil organic matter formation in stable fractions; Science Advances is the American Association for the Advancement of Science; Science Advances; 7; 16; 4-2021; 1-14 2375-2548 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/https://advances.sciencemag.org/lookup/doi/10.1126/sciadv.abd3176 info:eu-repo/semantics/altIdentifier/doi/10.1126/sciadv.abd3176 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Science Advances is the American Association for the Advancement of Science |
publisher.none.fl_str_mv |
Science Advances is the American Association for the Advancement of Science |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
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Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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13.070432 |