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
Fil: Villarino, Sebastián Horacio. CONICET. Buenos Aires, Argentina.
Fil: Villarino, Sebastián Horacio. Universidad Nacional de Mar del Plata (UNMdP). Facultad de Ciencias Agrarias (FCA). Mar del Plata, Buenos Aires, Argentina.
Fil: Pinto, Priscila. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina.
Fil: Pinto, Priscila. CONICET – Universidad de Buenos Aires. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina.
Fil: Jackson, Robert B. Earth System Science Department. Woods Institute for the Environment. USA.
Fil: Jackson, Robert B. Stanford University. Precourt Institute for Energy. Stanford, USA.
Fil: Piñeiro, Gervasio. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina.
Fil: Piñeiro, Gervasio. CONICET – Universidad de Buenos Aires. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina.
Fil: Piñeiro, Gervasio. Universidad de la República. Facultad de Agronomía. Departamento de Sistemas Ambientales. Montevideo, Uruguay.
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.
grafs., tbls.
Fuente
Science Advances
Vol.7, no.16
art.eabd3176
https://www.science.org/
Materia
RHIZODEPOSITION
SOIL ORGANIC CARBON
INCUBATION EXPERIMENTS
Nivel de accesibilidad
acceso abierto
Condiciones de uso
acceso abierto
Repositorio
FAUBA Digital (UBA-FAUBA)
Institución
Universidad de Buenos Aires. Facultad de Agronomía
OAI Identificador
snrd:2021villarino

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oai_identifier_str snrd:2021villarino
network_acronym_str FAUBA
repository_id_str 2729
network_name_str FAUBA Digital (UBA-FAUBA)
spelling Plant rhizodeposition : a key factor for soil organic matter formation in stable fractionsVillarino, Sebastián HoracioPinto, PriscilaJackson, Robert B.Piñeiro, GervasioRHIZODEPOSITIONSOIL ORGANIC CARBONINCUBATION EXPERIMENTSFil: Villarino, Sebastián Horacio. CONICET. Buenos Aires, Argentina.Fil: Villarino, Sebastián Horacio. Universidad Nacional de Mar del Plata (UNMdP). Facultad de Ciencias Agrarias (FCA). Mar del Plata, Buenos Aires, Argentina.Fil: Pinto, Priscila. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina.Fil: Pinto, Priscila. CONICET – Universidad de Buenos Aires. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina.Fil: Jackson, Robert B. Earth System Science Department. Woods Institute for the Environment. USA.Fil: Jackson, Robert B. Stanford University. Precourt Institute for Energy. Stanford, USA.Fil: Piñeiro, Gervasio. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina.Fil: Piñeiro, Gervasio. CONICET – Universidad de Buenos Aires. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina.Fil: Piñeiro, Gervasio. Universidad de la República. Facultad de Agronomía. Departamento de Sistemas Ambientales. Montevideo, Uruguay.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.grafs., tbls.2021articleinfo:eu-repo/semantics/articlepublishedVersioninfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfdoi:10.1126/sciadv.abd3176issn:2375-2548http://ri.agro.uba.ar/greenstone3/library/collection/arti/document/2021villarinoScience AdvancesVol.7, no.16art.eabd3176https://www.science.org/reponame:FAUBA Digital (UBA-FAUBA)instname:Universidad de Buenos Aires. Facultad de Agronomíaenginfo:eu-repo/semantics/openAccessopenAccesshttp://ri.agro.uba.ar/greenstone3/library/page/biblioteca#section42025-09-29T13:41:57Zsnrd:2021villarinoinstacron:UBA-FAUBAInstitucionalhttp://ri.agro.uba.ar/Universidad públicaNo correspondehttp://ri.agro.uba.ar/greenstone3/oaiserver?verb=ListSetsmartino@agro.uba.ar;berasa@agro.uba.ar ArgentinaNo correspondeNo correspondeNo correspondeopendoar:27292025-09-29 13:41:58.42FAUBA Digital (UBA-FAUBA) - Universidad de Buenos Aires. Facultad de Agronomíafalse
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
RHIZODEPOSITION
SOIL ORGANIC CARBON
INCUBATION EXPERIMENTS
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 RHIZODEPOSITION
SOIL ORGANIC CARBON
INCUBATION EXPERIMENTS
topic RHIZODEPOSITION
SOIL ORGANIC CARBON
INCUBATION EXPERIMENTS
dc.description.none.fl_txt_mv Fil: Villarino, Sebastián Horacio. CONICET. Buenos Aires, Argentina.
Fil: Villarino, Sebastián Horacio. Universidad Nacional de Mar del Plata (UNMdP). Facultad de Ciencias Agrarias (FCA). Mar del Plata, Buenos Aires, Argentina.
Fil: Pinto, Priscila. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina.
Fil: Pinto, Priscila. CONICET – Universidad de Buenos Aires. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina.
Fil: Jackson, Robert B. Earth System Science Department. Woods Institute for the Environment. USA.
Fil: Jackson, Robert B. Stanford University. Precourt Institute for Energy. Stanford, USA.
Fil: Piñeiro, Gervasio. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina.
Fil: Piñeiro, Gervasio. CONICET – Universidad de Buenos Aires. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina.
Fil: Piñeiro, Gervasio. Universidad de la República. Facultad de Agronomía. Departamento de Sistemas Ambientales. Montevideo, Uruguay.
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.
grafs., tbls.
description Fil: Villarino, Sebastián Horacio. CONICET. Buenos Aires, Argentina.
publishDate 2021
dc.date.none.fl_str_mv 2021
dc.type.none.fl_str_mv article
info:eu-repo/semantics/article
publishedVersion
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 doi:10.1126/sciadv.abd3176
issn:2375-2548
http://ri.agro.uba.ar/greenstone3/library/collection/arti/document/2021villarino
identifier_str_mv doi:10.1126/sciadv.abd3176
issn:2375-2548
url http://ri.agro.uba.ar/greenstone3/library/collection/arti/document/2021villarino
dc.language.none.fl_str_mv eng
language eng
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
openAccess
http://ri.agro.uba.ar/greenstone3/library/page/biblioteca#section4
eu_rights_str_mv openAccess
rights_invalid_str_mv openAccess
http://ri.agro.uba.ar/greenstone3/library/page/biblioteca#section4
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv Science Advances
Vol.7, no.16
art.eabd3176
https://www.science.org/
reponame:FAUBA Digital (UBA-FAUBA)
instname:Universidad de Buenos Aires. Facultad de Agronomía
reponame_str FAUBA Digital (UBA-FAUBA)
collection FAUBA Digital (UBA-FAUBA)
instname_str Universidad de Buenos Aires. Facultad de Agronomía
repository.name.fl_str_mv FAUBA Digital (UBA-FAUBA) - Universidad de Buenos Aires. Facultad de Agronomía
repository.mail.fl_str_mv martino@agro.uba.ar;berasa@agro.uba.ar
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score 13.070432