The effects of land use and soil management on the physical properties of an Oxisol in Southeast Brazil

Detalhes bibliográficos
Autor(a) principal: Seben Junior, Getulio de Freitas
Data de Publicação: 2014
Outros Autores: Corá, José Eduardo [UNESP], Lal, Rattan
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://www.scielo.br/scielo.php?pid=S0100-06832014000400021&script=sci_arttext
http://hdl.handle.net/11449/130081
Resumo: Soils of the tropics are prone to a decrease in quality after conversion from native forest (FO) to a conventional tillage system (CT). However, the adoption of no-tillage (NT) and complex crop rotations may improve soil structural quality. Thus, the aim of this study was to evaluate the physical properties of an Oxisol under FO, CT, and three summer crop sequences in NT: continuous corn (NTcc), continuous soybean (NTcs), and a soybean/corn rotation (NTscr). Both NT and CT decreased soil organic carbon (SOC) content, SOC stock, water stable aggregates (WSA), geometric mean diameter (GMD), soil total porosity (TP), macroporosity (MA), and the least limiting water range (LLWR). However they increased soil bulk density (BD) and tensile strength (TS) of the aggregates when compared to soil under FO. Soil under NT had higher WSA, GMD, BD, TS and microporosty, but lower TP and MA than soil under CT. Soil under FO did not attain critical values for the LLWR, but the lower limit of the LLWR in soils under CT and NT was resistance to penetration (RP) for all values of BD, while the upper limit of field capacity was air-filled porosity for BD values greater than 1.46 (CT), 1.40 (NTscr), 1.42 (NTcc), and 1.41 (NTcs) kg dm(-3). Soil under NTcc and NTcs decreased RP even with the increase in BD because of the formation of biopores. Furthermore, higher critical BD was verified under NTcc (1.62 kg dm(-3)) and NTcs (1.57 kg dm(-3)) compared to NTscr and CT (1.53 kg dm(-3)).
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spelling The effects of land use and soil management on the physical properties of an Oxisol in Southeast BrazilSistemas de uso e manejo do solo sobre os atributos físicos de um Latossolo no sudeste do BrasilNo-tillageSoil organic carbonSoil aggregateBulk densityTropical soilCerradoPlantio diretoCarbono orgânico do soloAgregado do soloDensidade do soloSolo tropicalCerradoSoils of the tropics are prone to a decrease in quality after conversion from native forest (FO) to a conventional tillage system (CT). However, the adoption of no-tillage (NT) and complex crop rotations may improve soil structural quality. Thus, the aim of this study was to evaluate the physical properties of an Oxisol under FO, CT, and three summer crop sequences in NT: continuous corn (NTcc), continuous soybean (NTcs), and a soybean/corn rotation (NTscr). Both NT and CT decreased soil organic carbon (SOC) content, SOC stock, water stable aggregates (WSA), geometric mean diameter (GMD), soil total porosity (TP), macroporosity (MA), and the least limiting water range (LLWR). However they increased soil bulk density (BD) and tensile strength (TS) of the aggregates when compared to soil under FO. Soil under NT had higher WSA, GMD, BD, TS and microporosty, but lower TP and MA than soil under CT. Soil under FO did not attain critical values for the LLWR, but the lower limit of the LLWR in soils under CT and NT was resistance to penetration (RP) for all values of BD, while the upper limit of field capacity was air-filled porosity for BD values greater than 1.46 (CT), 1.40 (NTscr), 1.42 (NTcc), and 1.41 (NTcs) kg dm(-3). Soil under NTcc and NTcs decreased RP even with the increase in BD because of the formation of biopores. Furthermore, higher critical BD was verified under NTcc (1.62 kg dm(-3)) and NTcs (1.57 kg dm(-3)) compared to NTscr and CT (1.53 kg dm(-3)).A qualidade física dos solos sob clima tropical está sujeita à degradação, após a conversão de mata nativa em sistema de cultivo convencional (SCC). Entretanto, a adoção do sistema de semeadura direta (SSD) com a rotação de culturas proporciona melhorias à qualidade do solo. Assim, o objetivo deste estudo foi avaliar os atributos físicos de um Latossolo Vermelho sob mata nativa, SCC e SSD, envolvendo sequências de culturas de verão: Milho em Monocultura (SSD-MM), Soja em Monocultura (SSD-SM) e rotação soja/milho (SSD-RSM). As sequências de culturas sob SSD e SCC proporcionaram reduções no teor de carbono orgânico, no estoque de carbono, no índice de estabilidade de agregados (IEA), no diâmetro médio ponderado (DMP), na porosidade total (PT), na macroporosidade (MP) e no intervalo hídrico ótimo (IHO); no entanto, aumentaram a densidade do solo (DS) e a resistência tênsil dos agregados (RT), em comparação à mata nativa. O SSD proporcionou ao solo maiores valores de IEA, DMP, DS, RT e microporosidade e menores valores de PT e MP, em comparação ao SCC. O limite inferior do IHO no solo sob SSD e SCC foi a resistência à penetração para todos os valores de DS, enquanto o limite superior foi a porosidade de aeração para valores de DS acima de 1,46; 1,40; 1,42; e 1,41 kg dm-3 no solo sob SCC, SSD-RSM, SSD-MM e SSD-SM, respectivamente. No solo sob SSD-MM e SSD-SM, a redução da resistência à penetração com o aumento da DS pode ser atribuída à formação de bioporos. Além disso, a maior densidade crítica foi verificada sob SSD-MM (1,62 kg dm-3) e SSD-SM (1.57 kg dm-3) quando comparada ao SSD-RSM e SCC (1.53 kg dm-3).Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)The Ohio State University, School of Environment and Natural ResourcesUniversidade Estadual Paulista, Departamento de Solos e Adubos, Faculdade de Ciências Agrárias e Veterinárias de JaboticabalCAPES: 8745/11-0Soc Brasileira De Ciencia Do SoloUniversidade do Estado de Mato Grosso (UNEMAT)Universidade Estadual Paulista (Unesp)The Ohio State UniversitySeben Junior, Getulio de FreitasCorá, José Eduardo [UNESP]Lal, Rattan2015-11-03T15:29:07Z2015-11-03T15:29:07Z2014-07-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article1245-1255application/pdfhttp://www.scielo.br/scielo.php?pid=S0100-06832014000400021&script=sci_arttextRevista Brasileira De Ciencia Do Solo. Vicosa: Soc Brasileira De Ciencia Do Solo, v. 38, n. 4, p. 1245-1255, 2014.0100-0683http://hdl.handle.net/11449/13008110.1590/S0100-06832014000400021S0100-06832014000400021WOS:000344966600021S0100-06832014000400021.pdfWeb of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengRevista Brasileira De Ciencia Do Solo0.7990,679info:eu-repo/semantics/openAccess2024-06-07T14:23:29Zoai:repositorio.unesp.br:11449/130081Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T18:06:14.978500Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv The effects of land use and soil management on the physical properties of an Oxisol in Southeast Brazil
Sistemas de uso e manejo do solo sobre os atributos físicos de um Latossolo no sudeste do Brasil
title The effects of land use and soil management on the physical properties of an Oxisol in Southeast Brazil
spellingShingle The effects of land use and soil management on the physical properties of an Oxisol in Southeast Brazil
Seben Junior, Getulio de Freitas
No-tillage
Soil organic carbon
Soil aggregate
Bulk density
Tropical soil
Cerrado
Plantio direto
Carbono orgânico do solo
Agregado do solo
Densidade do solo
Solo tropical
Cerrado
title_short The effects of land use and soil management on the physical properties of an Oxisol in Southeast Brazil
title_full The effects of land use and soil management on the physical properties of an Oxisol in Southeast Brazil
title_fullStr The effects of land use and soil management on the physical properties of an Oxisol in Southeast Brazil
title_full_unstemmed The effects of land use and soil management on the physical properties of an Oxisol in Southeast Brazil
title_sort The effects of land use and soil management on the physical properties of an Oxisol in Southeast Brazil
author Seben Junior, Getulio de Freitas
author_facet Seben Junior, Getulio de Freitas
Corá, José Eduardo [UNESP]
Lal, Rattan
author_role author
author2 Corá, José Eduardo [UNESP]
Lal, Rattan
author2_role author
author
dc.contributor.none.fl_str_mv Universidade do Estado de Mato Grosso (UNEMAT)
Universidade Estadual Paulista (Unesp)
The Ohio State University
dc.contributor.author.fl_str_mv Seben Junior, Getulio de Freitas
Corá, José Eduardo [UNESP]
Lal, Rattan
dc.subject.por.fl_str_mv No-tillage
Soil organic carbon
Soil aggregate
Bulk density
Tropical soil
Cerrado
Plantio direto
Carbono orgânico do solo
Agregado do solo
Densidade do solo
Solo tropical
Cerrado
topic No-tillage
Soil organic carbon
Soil aggregate
Bulk density
Tropical soil
Cerrado
Plantio direto
Carbono orgânico do solo
Agregado do solo
Densidade do solo
Solo tropical
Cerrado
description Soils of the tropics are prone to a decrease in quality after conversion from native forest (FO) to a conventional tillage system (CT). However, the adoption of no-tillage (NT) and complex crop rotations may improve soil structural quality. Thus, the aim of this study was to evaluate the physical properties of an Oxisol under FO, CT, and three summer crop sequences in NT: continuous corn (NTcc), continuous soybean (NTcs), and a soybean/corn rotation (NTscr). Both NT and CT decreased soil organic carbon (SOC) content, SOC stock, water stable aggregates (WSA), geometric mean diameter (GMD), soil total porosity (TP), macroporosity (MA), and the least limiting water range (LLWR). However they increased soil bulk density (BD) and tensile strength (TS) of the aggregates when compared to soil under FO. Soil under NT had higher WSA, GMD, BD, TS and microporosty, but lower TP and MA than soil under CT. Soil under FO did not attain critical values for the LLWR, but the lower limit of the LLWR in soils under CT and NT was resistance to penetration (RP) for all values of BD, while the upper limit of field capacity was air-filled porosity for BD values greater than 1.46 (CT), 1.40 (NTscr), 1.42 (NTcc), and 1.41 (NTcs) kg dm(-3). Soil under NTcc and NTcs decreased RP even with the increase in BD because of the formation of biopores. Furthermore, higher critical BD was verified under NTcc (1.62 kg dm(-3)) and NTcs (1.57 kg dm(-3)) compared to NTscr and CT (1.53 kg dm(-3)).
publishDate 2014
dc.date.none.fl_str_mv 2014-07-01
2015-11-03T15:29:07Z
2015-11-03T15:29:07Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://www.scielo.br/scielo.php?pid=S0100-06832014000400021&script=sci_arttext
Revista Brasileira De Ciencia Do Solo. Vicosa: Soc Brasileira De Ciencia Do Solo, v. 38, n. 4, p. 1245-1255, 2014.
0100-0683
http://hdl.handle.net/11449/130081
10.1590/S0100-06832014000400021
S0100-06832014000400021
WOS:000344966600021
S0100-06832014000400021.pdf
url http://www.scielo.br/scielo.php?pid=S0100-06832014000400021&script=sci_arttext
http://hdl.handle.net/11449/130081
identifier_str_mv Revista Brasileira De Ciencia Do Solo. Vicosa: Soc Brasileira De Ciencia Do Solo, v. 38, n. 4, p. 1245-1255, 2014.
0100-0683
10.1590/S0100-06832014000400021
S0100-06832014000400021
WOS:000344966600021
S0100-06832014000400021.pdf
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Revista Brasileira De Ciencia Do Solo
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0,679
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 1245-1255
application/pdf
dc.publisher.none.fl_str_mv Soc Brasileira De Ciencia Do Solo
publisher.none.fl_str_mv Soc Brasileira De Ciencia Do Solo
dc.source.none.fl_str_mv Web of Science
reponame:Repositório Institucional da UNESP
instname:Universidade Estadual Paulista (UNESP)
instacron:UNESP
instname_str Universidade Estadual Paulista (UNESP)
instacron_str UNESP
institution UNESP
reponame_str Repositório Institucional da UNESP
collection Repositório Institucional da UNESP
repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
repository.mail.fl_str_mv
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