Nitrogen mineralization potential depletion in pampas (Argentina) croplands following conversion from native grasslands
- Autores
- Wyngaard, Nicolás; Crespo, Cecilia; García, Gisela Vanesa; Reussi Calvo, Nahuel Ignacio; Rivero, Camila; Carciochi, Walter Daniel; Eyherabide, Mercedes; Larrea, Gastón; Angelini, Hernán Pablo; Barbieri, Pablo Andres; Sainz Rozas, Hernan Rene
- Año de publicación
- 2025
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- In the Argentinean Pampas, where Phaeozems soils are predominant, the conversion of native grasslands into croplands has negatively affected soil fertility and health. Nitrogen (N) mineralized during an anaerobic incubation (Nan), an estimator of N potential mineralization, is frequently used to evaluate soil health. The objectives of our study were to determine the magnitude of the Nan depletion caused by agriculture (dNan), and to assess the relative contribution of land use, climate, and soil properties on dNan in the Argentinean Pampas. We conducted a soil survey at 409 sites distributed throughout the Argentinean Pampas region. At each site, pairwise samples (0–20 cm) were collected from uncultivated and agricultural soils. At each site, different edaphic, climatic, and productive variables were evaluated. The direct and indirect effect of different variables over dNan was evaluated through a path analysis. The conversion of native grasslands from the Argentinean Pampas into croplands generally decreased Nan values, with Nan reductions ranging from 0 to 216 mg kg−1 (representing 0 to 79 % of the Nan value at uncultivated soils). The magnitude of the Nan depletion was influenced by edaphic variables [i.e. original Nan value (Nan at uncropped soils), soil organic matter depletion, clay content] and climatic variables (i.e. precipitation). These four variables explained 85 % of the dNan variability. From the path analysis, it was determined that soils with greater original Nan values (r = 0.89) and greater soil organic matter depletion (r = 0.65) presented larger dNan, while increases in clay content (r = 0.30) or mean annual precipitation (r = 0.25) resulted in lower dNan values. The identification of the drivers of Nan depletion can aid in the classification of areas with greater vulnerability to soil degradation and in the development of models to predict Nan depletion in soils. Such models would hold significant potential as tools for policymakers and program developers engaged in the formulation and implementation of targeted interventions aimed at halting or reversing this degradation process.
Fil: Wyngaard, Nicolás. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina
Fil: Crespo, Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina
Fil: García, Gisela Vanesa. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina
Fil: Reussi Calvo, Nahuel Ignacio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina
Fil: Rivero, Camila. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina
Fil: Carciochi, Walter Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina
Fil: Eyherabide, Mercedes. Instituto Nacional de Tecnología Agropecuaria; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina
Fil: Larrea, Gastón. Instituto Nacional de Tecnología Agropecuaria; Argentina
Fil: Angelini, Hernán Pablo. Instituto Nacional de Tecnología Agropecuaria; Argentina
Fil: Barbieri, Pablo Andres. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - Mar del Plata. Instituto de Innovación Para la Producción Agropecuaria y El Desarrollo Sostenible. - Instituto Nacional de Tecnologia Agropecuaria. Centro Regional Buenos Aires Sur. Estacion Experimental Agropecuaria Balcarce. Instituto de Innovación Para la Producción Agropecuaria y El Desarrollo Sostenible.; Argentina. Instituto Nacional de Tecnología Agropecuaria; Argentina
Fil: Sainz Rozas, Hernan Rene. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - Mar del Plata. Instituto de Innovación Para la Producción Agropecuaria y El Desarrollo Sostenible. - Instituto Nacional de Tecnologia Agropecuaria. Centro Regional Buenos Aires Sur. Estacion Experimental Agropecuaria Balcarce. Instituto de Innovación Para la Producción Agropecuaria y El Desarrollo Sostenible.; Argentina. Instituto Nacional de Tecnología Agropecuaria; Argentina - Materia
-
PHAEOZEMS
SOIL HEALT
EDAPHIC VARIABLES
CLIMATIC VARIABLES
AGRICULTURE - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/266977
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Nitrogen mineralization potential depletion in pampas (Argentina) croplands following conversion from native grasslandsWyngaard, NicolásCrespo, CeciliaGarcía, Gisela VanesaReussi Calvo, Nahuel IgnacioRivero, CamilaCarciochi, Walter DanielEyherabide, MercedesLarrea, GastónAngelini, Hernán PabloBarbieri, Pablo AndresSainz Rozas, Hernan RenePHAEOZEMSSOIL HEALTEDAPHIC VARIABLESCLIMATIC VARIABLESAGRICULTUREhttps://purl.org/becyt/ford/4.1https://purl.org/becyt/ford/4In the Argentinean Pampas, where Phaeozems soils are predominant, the conversion of native grasslands into croplands has negatively affected soil fertility and health. Nitrogen (N) mineralized during an anaerobic incubation (Nan), an estimator of N potential mineralization, is frequently used to evaluate soil health. The objectives of our study were to determine the magnitude of the Nan depletion caused by agriculture (dNan), and to assess the relative contribution of land use, climate, and soil properties on dNan in the Argentinean Pampas. We conducted a soil survey at 409 sites distributed throughout the Argentinean Pampas region. At each site, pairwise samples (0–20 cm) were collected from uncultivated and agricultural soils. At each site, different edaphic, climatic, and productive variables were evaluated. The direct and indirect effect of different variables over dNan was evaluated through a path analysis. The conversion of native grasslands from the Argentinean Pampas into croplands generally decreased Nan values, with Nan reductions ranging from 0 to 216 mg kg−1 (representing 0 to 79 % of the Nan value at uncultivated soils). The magnitude of the Nan depletion was influenced by edaphic variables [i.e. original Nan value (Nan at uncropped soils), soil organic matter depletion, clay content] and climatic variables (i.e. precipitation). These four variables explained 85 % of the dNan variability. From the path analysis, it was determined that soils with greater original Nan values (r = 0.89) and greater soil organic matter depletion (r = 0.65) presented larger dNan, while increases in clay content (r = 0.30) or mean annual precipitation (r = 0.25) resulted in lower dNan values. The identification of the drivers of Nan depletion can aid in the classification of areas with greater vulnerability to soil degradation and in the development of models to predict Nan depletion in soils. Such models would hold significant potential as tools for policymakers and program developers engaged in the formulation and implementation of targeted interventions aimed at halting or reversing this degradation process.Fil: Wyngaard, Nicolás. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; ArgentinaFil: Crespo, Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; ArgentinaFil: García, Gisela Vanesa. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; ArgentinaFil: Reussi Calvo, Nahuel Ignacio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; ArgentinaFil: Rivero, Camila. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; ArgentinaFil: Carciochi, Walter Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; ArgentinaFil: Eyherabide, Mercedes. Instituto Nacional de Tecnología Agropecuaria; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; ArgentinaFil: Larrea, Gastón. Instituto Nacional de Tecnología Agropecuaria; ArgentinaFil: Angelini, Hernán Pablo. Instituto Nacional de Tecnología Agropecuaria; ArgentinaFil: Barbieri, Pablo Andres. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - Mar del Plata. Instituto de Innovación Para la Producción Agropecuaria y El Desarrollo Sostenible. - Instituto Nacional de Tecnologia Agropecuaria. Centro Regional Buenos Aires Sur. Estacion Experimental Agropecuaria Balcarce. Instituto de Innovación Para la Producción Agropecuaria y El Desarrollo Sostenible.; Argentina. Instituto Nacional de Tecnología Agropecuaria; ArgentinaFil: Sainz Rozas, Hernan Rene. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - Mar del Plata. Instituto de Innovación Para la Producción Agropecuaria y El Desarrollo Sostenible. - Instituto Nacional de Tecnologia Agropecuaria. Centro Regional Buenos Aires Sur. Estacion Experimental Agropecuaria Balcarce. Instituto de Innovación Para la Producción Agropecuaria y El Desarrollo Sostenible.; Argentina. Instituto Nacional de Tecnología Agropecuaria; ArgentinaElsevier2025-03info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/266977Wyngaard, Nicolás; Crespo, Cecilia; García, Gisela Vanesa; Reussi Calvo, Nahuel Ignacio; Rivero, Camila; et al.; Nitrogen mineralization potential depletion in pampas (Argentina) croplands following conversion from native grasslands; Elsevier; Geoderma Regional; 40; e00925; 3-2025; 1-92352-0094CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S2352009425000100info:eu-repo/semantics/altIdentifier/doi/10.1016/j.geodrs.2025.e00925info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:33:46Zoai:ri.conicet.gov.ar:11336/266977instacron: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 09:33:46.69CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Nitrogen mineralization potential depletion in pampas (Argentina) croplands following conversion from native grasslands |
title |
Nitrogen mineralization potential depletion in pampas (Argentina) croplands following conversion from native grasslands |
spellingShingle |
Nitrogen mineralization potential depletion in pampas (Argentina) croplands following conversion from native grasslands Wyngaard, Nicolás PHAEOZEMS SOIL HEALT EDAPHIC VARIABLES CLIMATIC VARIABLES AGRICULTURE |
title_short |
Nitrogen mineralization potential depletion in pampas (Argentina) croplands following conversion from native grasslands |
title_full |
Nitrogen mineralization potential depletion in pampas (Argentina) croplands following conversion from native grasslands |
title_fullStr |
Nitrogen mineralization potential depletion in pampas (Argentina) croplands following conversion from native grasslands |
title_full_unstemmed |
Nitrogen mineralization potential depletion in pampas (Argentina) croplands following conversion from native grasslands |
title_sort |
Nitrogen mineralization potential depletion in pampas (Argentina) croplands following conversion from native grasslands |
dc.creator.none.fl_str_mv |
Wyngaard, Nicolás Crespo, Cecilia García, Gisela Vanesa Reussi Calvo, Nahuel Ignacio Rivero, Camila Carciochi, Walter Daniel Eyherabide, Mercedes Larrea, Gastón Angelini, Hernán Pablo Barbieri, Pablo Andres Sainz Rozas, Hernan Rene |
author |
Wyngaard, Nicolás |
author_facet |
Wyngaard, Nicolás Crespo, Cecilia García, Gisela Vanesa Reussi Calvo, Nahuel Ignacio Rivero, Camila Carciochi, Walter Daniel Eyherabide, Mercedes Larrea, Gastón Angelini, Hernán Pablo Barbieri, Pablo Andres Sainz Rozas, Hernan Rene |
author_role |
author |
author2 |
Crespo, Cecilia García, Gisela Vanesa Reussi Calvo, Nahuel Ignacio Rivero, Camila Carciochi, Walter Daniel Eyherabide, Mercedes Larrea, Gastón Angelini, Hernán Pablo Barbieri, Pablo Andres Sainz Rozas, Hernan Rene |
author2_role |
author author author author author author author author author author |
dc.subject.none.fl_str_mv |
PHAEOZEMS SOIL HEALT EDAPHIC VARIABLES CLIMATIC VARIABLES AGRICULTURE |
topic |
PHAEOZEMS SOIL HEALT EDAPHIC VARIABLES CLIMATIC VARIABLES AGRICULTURE |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/4.1 https://purl.org/becyt/ford/4 |
dc.description.none.fl_txt_mv |
In the Argentinean Pampas, where Phaeozems soils are predominant, the conversion of native grasslands into croplands has negatively affected soil fertility and health. Nitrogen (N) mineralized during an anaerobic incubation (Nan), an estimator of N potential mineralization, is frequently used to evaluate soil health. The objectives of our study were to determine the magnitude of the Nan depletion caused by agriculture (dNan), and to assess the relative contribution of land use, climate, and soil properties on dNan in the Argentinean Pampas. We conducted a soil survey at 409 sites distributed throughout the Argentinean Pampas region. At each site, pairwise samples (0–20 cm) were collected from uncultivated and agricultural soils. At each site, different edaphic, climatic, and productive variables were evaluated. The direct and indirect effect of different variables over dNan was evaluated through a path analysis. The conversion of native grasslands from the Argentinean Pampas into croplands generally decreased Nan values, with Nan reductions ranging from 0 to 216 mg kg−1 (representing 0 to 79 % of the Nan value at uncultivated soils). The magnitude of the Nan depletion was influenced by edaphic variables [i.e. original Nan value (Nan at uncropped soils), soil organic matter depletion, clay content] and climatic variables (i.e. precipitation). These four variables explained 85 % of the dNan variability. From the path analysis, it was determined that soils with greater original Nan values (r = 0.89) and greater soil organic matter depletion (r = 0.65) presented larger dNan, while increases in clay content (r = 0.30) or mean annual precipitation (r = 0.25) resulted in lower dNan values. The identification of the drivers of Nan depletion can aid in the classification of areas with greater vulnerability to soil degradation and in the development of models to predict Nan depletion in soils. Such models would hold significant potential as tools for policymakers and program developers engaged in the formulation and implementation of targeted interventions aimed at halting or reversing this degradation process. Fil: Wyngaard, Nicolás. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina Fil: Crespo, Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina Fil: García, Gisela Vanesa. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina Fil: Reussi Calvo, Nahuel Ignacio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina Fil: Rivero, Camila. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina Fil: Carciochi, Walter Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina Fil: Eyherabide, Mercedes. Instituto Nacional de Tecnología Agropecuaria; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina Fil: Larrea, Gastón. Instituto Nacional de Tecnología Agropecuaria; Argentina Fil: Angelini, Hernán Pablo. Instituto Nacional de Tecnología Agropecuaria; Argentina Fil: Barbieri, Pablo Andres. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - Mar del Plata. Instituto de Innovación Para la Producción Agropecuaria y El Desarrollo Sostenible. - Instituto Nacional de Tecnologia Agropecuaria. Centro Regional Buenos Aires Sur. Estacion Experimental Agropecuaria Balcarce. Instituto de Innovación Para la Producción Agropecuaria y El Desarrollo Sostenible.; Argentina. Instituto Nacional de Tecnología Agropecuaria; Argentina Fil: Sainz Rozas, Hernan Rene. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - Mar del Plata. Instituto de Innovación Para la Producción Agropecuaria y El Desarrollo Sostenible. - Instituto Nacional de Tecnologia Agropecuaria. Centro Regional Buenos Aires Sur. Estacion Experimental Agropecuaria Balcarce. Instituto de Innovación Para la Producción Agropecuaria y El Desarrollo Sostenible.; Argentina. Instituto Nacional de Tecnología Agropecuaria; Argentina |
description |
In the Argentinean Pampas, where Phaeozems soils are predominant, the conversion of native grasslands into croplands has negatively affected soil fertility and health. Nitrogen (N) mineralized during an anaerobic incubation (Nan), an estimator of N potential mineralization, is frequently used to evaluate soil health. The objectives of our study were to determine the magnitude of the Nan depletion caused by agriculture (dNan), and to assess the relative contribution of land use, climate, and soil properties on dNan in the Argentinean Pampas. We conducted a soil survey at 409 sites distributed throughout the Argentinean Pampas region. At each site, pairwise samples (0–20 cm) were collected from uncultivated and agricultural soils. At each site, different edaphic, climatic, and productive variables were evaluated. The direct and indirect effect of different variables over dNan was evaluated through a path analysis. The conversion of native grasslands from the Argentinean Pampas into croplands generally decreased Nan values, with Nan reductions ranging from 0 to 216 mg kg−1 (representing 0 to 79 % of the Nan value at uncultivated soils). The magnitude of the Nan depletion was influenced by edaphic variables [i.e. original Nan value (Nan at uncropped soils), soil organic matter depletion, clay content] and climatic variables (i.e. precipitation). These four variables explained 85 % of the dNan variability. From the path analysis, it was determined that soils with greater original Nan values (r = 0.89) and greater soil organic matter depletion (r = 0.65) presented larger dNan, while increases in clay content (r = 0.30) or mean annual precipitation (r = 0.25) resulted in lower dNan values. The identification of the drivers of Nan depletion can aid in the classification of areas with greater vulnerability to soil degradation and in the development of models to predict Nan depletion in soils. Such models would hold significant potential as tools for policymakers and program developers engaged in the formulation and implementation of targeted interventions aimed at halting or reversing this degradation process. |
publishDate |
2025 |
dc.date.none.fl_str_mv |
2025-03 |
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/11336/266977 Wyngaard, Nicolás; Crespo, Cecilia; García, Gisela Vanesa; Reussi Calvo, Nahuel Ignacio; Rivero, Camila; et al.; Nitrogen mineralization potential depletion in pampas (Argentina) croplands following conversion from native grasslands; Elsevier; Geoderma Regional; 40; e00925; 3-2025; 1-9 2352-0094 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/266977 |
identifier_str_mv |
Wyngaard, Nicolás; Crespo, Cecilia; García, Gisela Vanesa; Reussi Calvo, Nahuel Ignacio; Rivero, Camila; et al.; Nitrogen mineralization potential depletion in pampas (Argentina) croplands following conversion from native grasslands; Elsevier; Geoderma Regional; 40; e00925; 3-2025; 1-9 2352-0094 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://www.sciencedirect.com/science/article/pii/S2352009425000100 info:eu-repo/semantics/altIdentifier/doi/10.1016/j.geodrs.2025.e00925 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-nd/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/ |
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application/pdf application/pdf application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier |
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Elsevier |
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CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
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dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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