Compressibility and water availability in Albaqualf soils under different deployment times in no-tillage

Detalhes bibliográficos
Autor(a) principal: Reis,Diony Alves
Data de Publicação: 2018
Outros Autores: Lima,Cláudia Liane Rodrigues de, Bamberg,Adilson Luís, Ribeiro,Pablo Lacerda
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Scientia Agrícola (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162018000500393
Resumo: ABSTRACT: The southern Brazilian lowlands have been historically used for flooded rice cultivation. Over time, heavy machinery and intensive tillage practices have resulted in soil structure disruption, soil compaction, higher production costs and lower agricultural profitability. This study aimed to evaluate the effect of different deployment times of no-tillage (NT). Soil properties including bulk density (BD), compression index (CI), preconsolidation pressure (σp), bulk density at preconsolidation pressure (BDσp), degree of compactness (DC), soil water retention curve (SWRC), plant available water (PAW) and total organic carbon (TOC) content were evaluated using a 30-yr non-cultivated field (NC), adjacent to the experimental plots as a control. The BD, σp, BDσp and DC decreased in response to NT adoption time while the soil water holding capacity increased, allowing for higher PAW. Results from this study demonstrated the positive effects of NT on the overall quality of soils.
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spelling Compressibility and water availability in Albaqualf soils under different deployment times in no-tillagelowlandspreconsolidation pressuredegree of compactnessorganic carbonABSTRACT: The southern Brazilian lowlands have been historically used for flooded rice cultivation. Over time, heavy machinery and intensive tillage practices have resulted in soil structure disruption, soil compaction, higher production costs and lower agricultural profitability. This study aimed to evaluate the effect of different deployment times of no-tillage (NT). Soil properties including bulk density (BD), compression index (CI), preconsolidation pressure (σp), bulk density at preconsolidation pressure (BDσp), degree of compactness (DC), soil water retention curve (SWRC), plant available water (PAW) and total organic carbon (TOC) content were evaluated using a 30-yr non-cultivated field (NC), adjacent to the experimental plots as a control. The BD, σp, BDσp and DC decreased in response to NT adoption time while the soil water holding capacity increased, allowing for higher PAW. Results from this study demonstrated the positive effects of NT on the overall quality of soils.Escola Superior de Agricultura "Luiz de Queiroz"2018-09-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162018000500393Scientia Agricola v.75 n.5 2018reponame:Scientia Agrícola (Online)instname:Universidade de São Paulo (USP)instacron:USP10.1590/1678-992x-2016-0219info:eu-repo/semantics/openAccessReis,Diony AlvesLima,Cláudia Liane Rodrigues deBamberg,Adilson LuísRibeiro,Pablo Lacerdaeng2018-05-04T00:00:00Zoai:scielo:S0103-90162018000500393Revistahttp://revistas.usp.br/sa/indexPUBhttps://old.scielo.br/oai/scielo-oai.phpscientia@usp.br||alleoni@usp.br1678-992X0103-9016opendoar:2018-05-04T00:00Scientia Agrícola (Online) - Universidade de São Paulo (USP)false
dc.title.none.fl_str_mv Compressibility and water availability in Albaqualf soils under different deployment times in no-tillage
title Compressibility and water availability in Albaqualf soils under different deployment times in no-tillage
spellingShingle Compressibility and water availability in Albaqualf soils under different deployment times in no-tillage
Reis,Diony Alves
lowlands
preconsolidation pressure
degree of compactness
organic carbon
title_short Compressibility and water availability in Albaqualf soils under different deployment times in no-tillage
title_full Compressibility and water availability in Albaqualf soils under different deployment times in no-tillage
title_fullStr Compressibility and water availability in Albaqualf soils under different deployment times in no-tillage
title_full_unstemmed Compressibility and water availability in Albaqualf soils under different deployment times in no-tillage
title_sort Compressibility and water availability in Albaqualf soils under different deployment times in no-tillage
author Reis,Diony Alves
author_facet Reis,Diony Alves
Lima,Cláudia Liane Rodrigues de
Bamberg,Adilson Luís
Ribeiro,Pablo Lacerda
author_role author
author2 Lima,Cláudia Liane Rodrigues de
Bamberg,Adilson Luís
Ribeiro,Pablo Lacerda
author2_role author
author
author
dc.contributor.author.fl_str_mv Reis,Diony Alves
Lima,Cláudia Liane Rodrigues de
Bamberg,Adilson Luís
Ribeiro,Pablo Lacerda
dc.subject.por.fl_str_mv lowlands
preconsolidation pressure
degree of compactness
organic carbon
topic lowlands
preconsolidation pressure
degree of compactness
organic carbon
description ABSTRACT: The southern Brazilian lowlands have been historically used for flooded rice cultivation. Over time, heavy machinery and intensive tillage practices have resulted in soil structure disruption, soil compaction, higher production costs and lower agricultural profitability. This study aimed to evaluate the effect of different deployment times of no-tillage (NT). Soil properties including bulk density (BD), compression index (CI), preconsolidation pressure (σp), bulk density at preconsolidation pressure (BDσp), degree of compactness (DC), soil water retention curve (SWRC), plant available water (PAW) and total organic carbon (TOC) content were evaluated using a 30-yr non-cultivated field (NC), adjacent to the experimental plots as a control. The BD, σp, BDσp and DC decreased in response to NT adoption time while the soil water holding capacity increased, allowing for higher PAW. Results from this study demonstrated the positive effects of NT on the overall quality of soils.
publishDate 2018
dc.date.none.fl_str_mv 2018-09-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162018000500393
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162018000500393
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/1678-992x-2016-0219
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Escola Superior de Agricultura "Luiz de Queiroz"
publisher.none.fl_str_mv Escola Superior de Agricultura "Luiz de Queiroz"
dc.source.none.fl_str_mv Scientia Agricola v.75 n.5 2018
reponame:Scientia Agrícola (Online)
instname:Universidade de São Paulo (USP)
instacron:USP
instname_str Universidade de São Paulo (USP)
instacron_str USP
institution USP
reponame_str Scientia Agrícola (Online)
collection Scientia Agrícola (Online)
repository.name.fl_str_mv Scientia Agrícola (Online) - Universidade de São Paulo (USP)
repository.mail.fl_str_mv scientia@usp.br||alleoni@usp.br
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