Multivariate analysis and modeling of soil quality indicators in long-term management systems
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1016/j.scitotenv.2018.11.441 http://hdl.handle.net/11449/189954 |
Resumo: | Soil management systems, as well as the long-term application of nitrogen fertilization, might promote changes in soil quality (SQ). The knowledge of how agronomic practices influence SQ is the main factor in the development of most sustainable management systems. Thus, the aim of this study was to evaluate the influence of long-term management systems on SQ through the analysis of 10 soil quality indicators (SQIs), to select the most sensitive SQIs through principal components analysis (PCA) and to propose a mathematical model that could estimate the activities of enzymes based on SQI values with simple and low-cost procedures in relation to enzyme measurement. Soil samples were collected from three experiments in which soils were used for this purpose over more than two decades. The first experiment consisted of winter fallow and maize seeding as a summer crop in a conventional tillage system (CT) that received nitrogen fertilization at doses of 0, 90 and 180 kg ha−1. The second and third experiments consisted of no-tillage (NT) using maize/maize (NT M/M) and legume/maize (NT L/M) crop rotation, respectively, both using nitrogen fertilization at the same doses as in the first experiment. The no-tillage system with legume/maize crop rotation favored the development of microorganisms and improved the soil quality. The effects of nitrogen fertilization on SQIs varied according to the management system. The microbial respiration (MR), the metabolic quotient (q CO2), total organic carbon (TOC), nitrogen microbial biomass (NMC), urease enzyme activity (UEA), dehydrogenase activity (DA) and amylase activity (AA) were the most efficient SQIs. The adjusted mathematical models presented a good predictive capacity to estimate the urease activity in CT and NT M/M and the amylase activity in the CT system. |
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Multivariate analysis and modeling of soil quality indicators in long-term management systemsEnzymesMathematical modelingMultivariate analysisSoil qualityTillageSoil management systems, as well as the long-term application of nitrogen fertilization, might promote changes in soil quality (SQ). The knowledge of how agronomic practices influence SQ is the main factor in the development of most sustainable management systems. Thus, the aim of this study was to evaluate the influence of long-term management systems on SQ through the analysis of 10 soil quality indicators (SQIs), to select the most sensitive SQIs through principal components analysis (PCA) and to propose a mathematical model that could estimate the activities of enzymes based on SQI values with simple and low-cost procedures in relation to enzyme measurement. Soil samples were collected from three experiments in which soils were used for this purpose over more than two decades. The first experiment consisted of winter fallow and maize seeding as a summer crop in a conventional tillage system (CT) that received nitrogen fertilization at doses of 0, 90 and 180 kg ha−1. The second and third experiments consisted of no-tillage (NT) using maize/maize (NT M/M) and legume/maize (NT L/M) crop rotation, respectively, both using nitrogen fertilization at the same doses as in the first experiment. The no-tillage system with legume/maize crop rotation favored the development of microorganisms and improved the soil quality. The effects of nitrogen fertilization on SQIs varied according to the management system. The microbial respiration (MR), the metabolic quotient (q CO2), total organic carbon (TOC), nitrogen microbial biomass (NMC), urease enzyme activity (UEA), dehydrogenase activity (DA) and amylase activity (AA) were the most efficient SQIs. The adjusted mathematical models presented a good predictive capacity to estimate the urease activity in CT and NT M/M and the amylase activity in the CT system.Department of Soils and Fertilizers São Paulo State University-UNESPDepartment of Agricultural Engineering Federal University of Campina Grande-UFCGDepartment of Plant Production São Paulo State University-UNESPDepartment of Soils and Fertilizers São Paulo State University-UNESPDepartment of Plant Production São Paulo State University-UNESPUniversidade Estadual Paulista (Unesp)Federal University of Campina Grande-UFCGde Andrade Barbosa, Marcelo [UNESP]de Sousa Ferraz, Rener LucianoCoutinho, Edson Luiz Mendes [UNESP]Coutinho Neto, André Mendes [UNESP]da Silva, Marcio Silveira [UNESP]Fernandes, Carolina [UNESP]Rigobelo, Everlon Cid [UNESP]2019-10-06T16:57:39Z2019-10-06T16:57:39Z2019-03-20info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article457-465http://dx.doi.org/10.1016/j.scitotenv.2018.11.441Science of the Total Environment, v. 657, p. 457-465.1879-10260048-9697http://hdl.handle.net/11449/18995410.1016/j.scitotenv.2018.11.4412-s2.0-85058076426Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengScience of the Total Environmentinfo:eu-repo/semantics/openAccess2024-06-07T14:22:55Zoai:repositorio.unesp.br:11449/189954Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T14:16:37.165265Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Multivariate analysis and modeling of soil quality indicators in long-term management systems |
title |
Multivariate analysis and modeling of soil quality indicators in long-term management systems |
spellingShingle |
Multivariate analysis and modeling of soil quality indicators in long-term management systems de Andrade Barbosa, Marcelo [UNESP] Enzymes Mathematical modeling Multivariate analysis Soil quality Tillage |
title_short |
Multivariate analysis and modeling of soil quality indicators in long-term management systems |
title_full |
Multivariate analysis and modeling of soil quality indicators in long-term management systems |
title_fullStr |
Multivariate analysis and modeling of soil quality indicators in long-term management systems |
title_full_unstemmed |
Multivariate analysis and modeling of soil quality indicators in long-term management systems |
title_sort |
Multivariate analysis and modeling of soil quality indicators in long-term management systems |
author |
de Andrade Barbosa, Marcelo [UNESP] |
author_facet |
de Andrade Barbosa, Marcelo [UNESP] de Sousa Ferraz, Rener Luciano Coutinho, Edson Luiz Mendes [UNESP] Coutinho Neto, André Mendes [UNESP] da Silva, Marcio Silveira [UNESP] Fernandes, Carolina [UNESP] Rigobelo, Everlon Cid [UNESP] |
author_role |
author |
author2 |
de Sousa Ferraz, Rener Luciano Coutinho, Edson Luiz Mendes [UNESP] Coutinho Neto, André Mendes [UNESP] da Silva, Marcio Silveira [UNESP] Fernandes, Carolina [UNESP] Rigobelo, Everlon Cid [UNESP] |
author2_role |
author author author author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) Federal University of Campina Grande-UFCG |
dc.contributor.author.fl_str_mv |
de Andrade Barbosa, Marcelo [UNESP] de Sousa Ferraz, Rener Luciano Coutinho, Edson Luiz Mendes [UNESP] Coutinho Neto, André Mendes [UNESP] da Silva, Marcio Silveira [UNESP] Fernandes, Carolina [UNESP] Rigobelo, Everlon Cid [UNESP] |
dc.subject.por.fl_str_mv |
Enzymes Mathematical modeling Multivariate analysis Soil quality Tillage |
topic |
Enzymes Mathematical modeling Multivariate analysis Soil quality Tillage |
description |
Soil management systems, as well as the long-term application of nitrogen fertilization, might promote changes in soil quality (SQ). The knowledge of how agronomic practices influence SQ is the main factor in the development of most sustainable management systems. Thus, the aim of this study was to evaluate the influence of long-term management systems on SQ through the analysis of 10 soil quality indicators (SQIs), to select the most sensitive SQIs through principal components analysis (PCA) and to propose a mathematical model that could estimate the activities of enzymes based on SQI values with simple and low-cost procedures in relation to enzyme measurement. Soil samples were collected from three experiments in which soils were used for this purpose over more than two decades. The first experiment consisted of winter fallow and maize seeding as a summer crop in a conventional tillage system (CT) that received nitrogen fertilization at doses of 0, 90 and 180 kg ha−1. The second and third experiments consisted of no-tillage (NT) using maize/maize (NT M/M) and legume/maize (NT L/M) crop rotation, respectively, both using nitrogen fertilization at the same doses as in the first experiment. The no-tillage system with legume/maize crop rotation favored the development of microorganisms and improved the soil quality. The effects of nitrogen fertilization on SQIs varied according to the management system. The microbial respiration (MR), the metabolic quotient (q CO2), total organic carbon (TOC), nitrogen microbial biomass (NMC), urease enzyme activity (UEA), dehydrogenase activity (DA) and amylase activity (AA) were the most efficient SQIs. The adjusted mathematical models presented a good predictive capacity to estimate the urease activity in CT and NT M/M and the amylase activity in the CT system. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-10-06T16:57:39Z 2019-10-06T16:57:39Z 2019-03-20 |
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://dx.doi.org/10.1016/j.scitotenv.2018.11.441 Science of the Total Environment, v. 657, p. 457-465. 1879-1026 0048-9697 http://hdl.handle.net/11449/189954 10.1016/j.scitotenv.2018.11.441 2-s2.0-85058076426 |
url |
http://dx.doi.org/10.1016/j.scitotenv.2018.11.441 http://hdl.handle.net/11449/189954 |
identifier_str_mv |
Science of the Total Environment, v. 657, p. 457-465. 1879-1026 0048-9697 10.1016/j.scitotenv.2018.11.441 2-s2.0-85058076426 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Science of the Total Environment |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
457-465 |
dc.source.none.fl_str_mv |
Scopus 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 |
|
_version_ |
1808128339180781568 |