Estimating soil organic carbon in Mollisols and its particle-size fractions by loss-on-ignition in the semiarid and semihumid Argentinean Pampas
- Autores
- Martinez, Juan Manuel; Galantini, Juan Alberto; Duval, Matias Ezequiel; López, Fernando Manuel; Iglesias, Julio Osvaldo
- Año de publicación
- 2018
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Recent interest in soil quality assessment underscores the need for an accurate measurement of soil organic carbon (OC) and its labile fraction, i.e. particulate OC. The loss-on-ignition (LOI) method has been proposed as a rapid, inexpensive and accurate method for estimating OC. The objectives of this study were i) to test the LOI method for soil organic matter (SOM) and particulate organic matter (POM), and ii) to evaluate the use of an adequate conversion factor (CF) for predicting OC from organic matter (OM) in soil and different particle-size fractions in several Mollisols of the Argentinean Pampas. Several agricultural fields (140) under no-tillage were sampled before crop sowing at 0–20 cm. SOM was physically separated by wet sieving, obtaining a coarse particle-size fraction (CPF, 105–2000 μm) and a medium particle-size fraction (MPF, 53–105 μm). Organic C and OM were determined by dry combustion (DC) and by LOI in whole soil (WS) and in both particle-size fractions. The values of OC (0.7–3.6 g 100 g− 1) and OM (1.9–7.9 g 100 g− 1) varied greatly between the soils. High and significant relationships (P < 0.001) were found between the different soil fractions determined by DC and LOI, with OM (105–2000 μm):OC (105–2000 μm) (R2 = 0.94) > OM(WS):OC(WS) (R2 = 0.88) > OM(53–105 μm):OC(53–105 μm) (R2 = 0.82). These results indicated that the C content in each fraction was in the order of 45%, 50% and 41% for WS, CPF and MPF, respectively. The LOI method can predict OC in CPF (105–2000 μm) with reliable accuracy. The CF for predicting OC from OM was variable for each soil fraction considered: 2.23 for WS, 2.00 for CPF and 2.44 for MPF.
Fil: Martinez, Juan Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Centro de Recursos Naturales Renovables de la Zona Semiárida. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; Argentina. Universidad Nacional del Sur. Departamento de Agronomía; Argentina
Fil: Galantini, Juan Alberto. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas; Argentina
Fil: Duval, Matias Ezequiel. Universidad Nacional del Sur. Departamento de Agronomía; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Centro de Recursos Naturales Renovables de la Zona Semiárida. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; Argentina
Fil: López, Fernando Manuel. Universidad Nacional del Sur. Departamento de Agronomía; Argentina
Fil: Iglesias, Julio Osvaldo. Universidad Nacional del Sur. Departamento de Agronomía; Argentina - Materia
-
CONVERSION FACTOR
DRY COMBUSTION
MOLLISOLS
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:11336/87693
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Estimating soil organic carbon in Mollisols and its particle-size fractions by loss-on-ignition in the semiarid and semihumid Argentinean PampasMartinez, Juan ManuelGalantini, Juan AlbertoDuval, Matias EzequielLópez, Fernando ManuelIglesias, Julio OsvaldoCONVERSION FACTORDRY COMBUSTIONMOLLISOLSPARTICULATE ORGANIC MATTERhttps://purl.org/becyt/ford/4.1https://purl.org/becyt/ford/4Recent interest in soil quality assessment underscores the need for an accurate measurement of soil organic carbon (OC) and its labile fraction, i.e. particulate OC. The loss-on-ignition (LOI) method has been proposed as a rapid, inexpensive and accurate method for estimating OC. The objectives of this study were i) to test the LOI method for soil organic matter (SOM) and particulate organic matter (POM), and ii) to evaluate the use of an adequate conversion factor (CF) for predicting OC from organic matter (OM) in soil and different particle-size fractions in several Mollisols of the Argentinean Pampas. Several agricultural fields (140) under no-tillage were sampled before crop sowing at 0–20 cm. SOM was physically separated by wet sieving, obtaining a coarse particle-size fraction (CPF, 105–2000 μm) and a medium particle-size fraction (MPF, 53–105 μm). Organic C and OM were determined by dry combustion (DC) and by LOI in whole soil (WS) and in both particle-size fractions. The values of OC (0.7–3.6 g 100 g− 1) and OM (1.9–7.9 g 100 g− 1) varied greatly between the soils. High and significant relationships (P < 0.001) were found between the different soil fractions determined by DC and LOI, with OM (105–2000 μm):OC (105–2000 μm) (R2 = 0.94) > OM(WS):OC(WS) (R2 = 0.88) > OM(53–105 μm):OC(53–105 μm) (R2 = 0.82). These results indicated that the C content in each fraction was in the order of 45%, 50% and 41% for WS, CPF and MPF, respectively. The LOI method can predict OC in CPF (105–2000 μm) with reliable accuracy. The CF for predicting OC from OM was variable for each soil fraction considered: 2.23 for WS, 2.00 for CPF and 2.44 for MPF.Fil: Martinez, Juan Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Centro de Recursos Naturales Renovables de la Zona Semiárida. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; Argentina. Universidad Nacional del Sur. Departamento de Agronomía; ArgentinaFil: Galantini, Juan Alberto. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas; ArgentinaFil: Duval, Matias Ezequiel. Universidad Nacional del Sur. Departamento de Agronomía; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Centro de Recursos Naturales Renovables de la Zona Semiárida. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; ArgentinaFil: López, Fernando Manuel. Universidad Nacional del Sur. Departamento de Agronomía; ArgentinaFil: Iglesias, Julio Osvaldo. Universidad Nacional del Sur. Departamento de Agronomía; ArgentinaElsevier B.V.2018-03info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/87693Martinez, Juan Manuel; Galantini, Juan Alberto; Duval, Matias Ezequiel; López, Fernando Manuel; Iglesias, Julio Osvaldo; Estimating soil organic carbon in Mollisols and its particle-size fractions by loss-on-ignition in the semiarid and semihumid Argentinean Pampas; Elsevier B.V.; Geoderma Regional; 12; 3-2018; 49-552352-0094CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S2352009417301785info:eu-repo/semantics/altIdentifier/doi/10.1016/j.geodrs.2017.12.004info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:33:34Zoai:ri.conicet.gov.ar:11336/87693instacron: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 09:33:34.438CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Estimating soil organic carbon in Mollisols and its particle-size fractions by loss-on-ignition in the semiarid and semihumid Argentinean Pampas |
title |
Estimating soil organic carbon in Mollisols and its particle-size fractions by loss-on-ignition in the semiarid and semihumid Argentinean Pampas |
spellingShingle |
Estimating soil organic carbon in Mollisols and its particle-size fractions by loss-on-ignition in the semiarid and semihumid Argentinean Pampas Martinez, Juan Manuel CONVERSION FACTOR DRY COMBUSTION MOLLISOLS PARTICULATE ORGANIC MATTER |
title_short |
Estimating soil organic carbon in Mollisols and its particle-size fractions by loss-on-ignition in the semiarid and semihumid Argentinean Pampas |
title_full |
Estimating soil organic carbon in Mollisols and its particle-size fractions by loss-on-ignition in the semiarid and semihumid Argentinean Pampas |
title_fullStr |
Estimating soil organic carbon in Mollisols and its particle-size fractions by loss-on-ignition in the semiarid and semihumid Argentinean Pampas |
title_full_unstemmed |
Estimating soil organic carbon in Mollisols and its particle-size fractions by loss-on-ignition in the semiarid and semihumid Argentinean Pampas |
title_sort |
Estimating soil organic carbon in Mollisols and its particle-size fractions by loss-on-ignition in the semiarid and semihumid Argentinean Pampas |
dc.creator.none.fl_str_mv |
Martinez, Juan Manuel Galantini, Juan Alberto Duval, Matias Ezequiel López, Fernando Manuel Iglesias, Julio Osvaldo |
author |
Martinez, Juan Manuel |
author_facet |
Martinez, Juan Manuel Galantini, Juan Alberto Duval, Matias Ezequiel López, Fernando Manuel Iglesias, Julio Osvaldo |
author_role |
author |
author2 |
Galantini, Juan Alberto Duval, Matias Ezequiel López, Fernando Manuel Iglesias, Julio Osvaldo |
author2_role |
author author author author |
dc.subject.none.fl_str_mv |
CONVERSION FACTOR DRY COMBUSTION MOLLISOLS PARTICULATE ORGANIC MATTER |
topic |
CONVERSION FACTOR DRY COMBUSTION MOLLISOLS 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 |
Recent interest in soil quality assessment underscores the need for an accurate measurement of soil organic carbon (OC) and its labile fraction, i.e. particulate OC. The loss-on-ignition (LOI) method has been proposed as a rapid, inexpensive and accurate method for estimating OC. The objectives of this study were i) to test the LOI method for soil organic matter (SOM) and particulate organic matter (POM), and ii) to evaluate the use of an adequate conversion factor (CF) for predicting OC from organic matter (OM) in soil and different particle-size fractions in several Mollisols of the Argentinean Pampas. Several agricultural fields (140) under no-tillage were sampled before crop sowing at 0–20 cm. SOM was physically separated by wet sieving, obtaining a coarse particle-size fraction (CPF, 105–2000 μm) and a medium particle-size fraction (MPF, 53–105 μm). Organic C and OM were determined by dry combustion (DC) and by LOI in whole soil (WS) and in both particle-size fractions. The values of OC (0.7–3.6 g 100 g− 1) and OM (1.9–7.9 g 100 g− 1) varied greatly between the soils. High and significant relationships (P < 0.001) were found between the different soil fractions determined by DC and LOI, with OM (105–2000 μm):OC (105–2000 μm) (R2 = 0.94) > OM(WS):OC(WS) (R2 = 0.88) > OM(53–105 μm):OC(53–105 μm) (R2 = 0.82). These results indicated that the C content in each fraction was in the order of 45%, 50% and 41% for WS, CPF and MPF, respectively. The LOI method can predict OC in CPF (105–2000 μm) with reliable accuracy. The CF for predicting OC from OM was variable for each soil fraction considered: 2.23 for WS, 2.00 for CPF and 2.44 for MPF. Fil: Martinez, Juan Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Centro de Recursos Naturales Renovables de la Zona Semiárida. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; Argentina. Universidad Nacional del Sur. Departamento de Agronomía; Argentina Fil: Galantini, Juan Alberto. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas; Argentina Fil: Duval, Matias Ezequiel. Universidad Nacional del Sur. Departamento de Agronomía; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Centro de Recursos Naturales Renovables de la Zona Semiárida. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; Argentina Fil: López, Fernando Manuel. Universidad Nacional del Sur. Departamento de Agronomía; Argentina Fil: Iglesias, Julio Osvaldo. Universidad Nacional del Sur. Departamento de Agronomía; Argentina |
description |
Recent interest in soil quality assessment underscores the need for an accurate measurement of soil organic carbon (OC) and its labile fraction, i.e. particulate OC. The loss-on-ignition (LOI) method has been proposed as a rapid, inexpensive and accurate method for estimating OC. The objectives of this study were i) to test the LOI method for soil organic matter (SOM) and particulate organic matter (POM), and ii) to evaluate the use of an adequate conversion factor (CF) for predicting OC from organic matter (OM) in soil and different particle-size fractions in several Mollisols of the Argentinean Pampas. Several agricultural fields (140) under no-tillage were sampled before crop sowing at 0–20 cm. SOM was physically separated by wet sieving, obtaining a coarse particle-size fraction (CPF, 105–2000 μm) and a medium particle-size fraction (MPF, 53–105 μm). Organic C and OM were determined by dry combustion (DC) and by LOI in whole soil (WS) and in both particle-size fractions. The values of OC (0.7–3.6 g 100 g− 1) and OM (1.9–7.9 g 100 g− 1) varied greatly between the soils. High and significant relationships (P < 0.001) were found between the different soil fractions determined by DC and LOI, with OM (105–2000 μm):OC (105–2000 μm) (R2 = 0.94) > OM(WS):OC(WS) (R2 = 0.88) > OM(53–105 μm):OC(53–105 μm) (R2 = 0.82). These results indicated that the C content in each fraction was in the order of 45%, 50% and 41% for WS, CPF and MPF, respectively. The LOI method can predict OC in CPF (105–2000 μm) with reliable accuracy. The CF for predicting OC from OM was variable for each soil fraction considered: 2.23 for WS, 2.00 for CPF and 2.44 for MPF. |
publishDate |
2018 |
dc.date.none.fl_str_mv |
2018-03 |
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/11336/87693 Martinez, Juan Manuel; Galantini, Juan Alberto; Duval, Matias Ezequiel; López, Fernando Manuel; Iglesias, Julio Osvaldo; Estimating soil organic carbon in Mollisols and its particle-size fractions by loss-on-ignition in the semiarid and semihumid Argentinean Pampas; Elsevier B.V.; Geoderma Regional; 12; 3-2018; 49-55 2352-0094 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/87693 |
identifier_str_mv |
Martinez, Juan Manuel; Galantini, Juan Alberto; Duval, Matias Ezequiel; López, Fernando Manuel; Iglesias, Julio Osvaldo; Estimating soil organic carbon in Mollisols and its particle-size fractions by loss-on-ignition in the semiarid and semihumid Argentinean Pampas; Elsevier B.V.; Geoderma Regional; 12; 3-2018; 49-55 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/S2352009417301785 info:eu-repo/semantics/altIdentifier/doi/10.1016/j.geodrs.2017.12.004 |
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 application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier B.V. |
publisher.none.fl_str_mv |
Elsevier B.V. |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
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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1844613032355823616 |
score |
13.070432 |