Propriedades microbiológicas e índice de qualidade de um argissolo subtropical submetido a sistemas de manejo
Autor(a) principal: | |
---|---|
Data de Publicação: | 2020 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações do UFSM |
Texto Completo: | http://repositorio.ufsm.br/handle/1/21988 |
Resumo: | Soil quality can be assessed through chemical, physical and biological index and properties. However, there is a knowledge gap on the reference values for interpretation of soil microbiological properties. In this study, we objective was to define critical limits (upper and lower) and interpretive classes for soil microbiological properties; establish a minimum data set based on statistical associations between corn yield and soil microbiological and chemical properties; and to determine if the variables selected by the minimum data set influence the current corn yield in Typic Paleudult from Rio Grande do Sul, Brazil. The main results were the development of interpretative classes for microbial biomass C (108 e 331 mg C kg-1 soil), microbial biomass N (12 e 40 mg N kg-1 soil), basal respiration (0,46 e 1,12 mg C-CO2 kg soil h-1), arilsulfatase (166 e 433 μg p-nitrophenol g-1 dry soil h-1) and β-glycosidase activity (50 e 171 μg p-nitrophenol g-1 dry soil h-1). In addition, we indicate microbiological and chemical properties of the soil capable of predicting corn yield in (total nitrogen, pH content and Zn content). The results show that no-tillage associated with grass-legume crop systems improves soil quality. Therefore, the definition of critical limits was as an adequate tool for interpretation of soil microbiological properties and the variables selected to compose the minimum data set were significant to predict the current yield of corn. |
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2021-08-18T18:02:40Z2021-08-18T18:02:40Z2020-02-20http://repositorio.ufsm.br/handle/1/21988Soil quality can be assessed through chemical, physical and biological index and properties. However, there is a knowledge gap on the reference values for interpretation of soil microbiological properties. In this study, we objective was to define critical limits (upper and lower) and interpretive classes for soil microbiological properties; establish a minimum data set based on statistical associations between corn yield and soil microbiological and chemical properties; and to determine if the variables selected by the minimum data set influence the current corn yield in Typic Paleudult from Rio Grande do Sul, Brazil. The main results were the development of interpretative classes for microbial biomass C (108 e 331 mg C kg-1 soil), microbial biomass N (12 e 40 mg N kg-1 soil), basal respiration (0,46 e 1,12 mg C-CO2 kg soil h-1), arilsulfatase (166 e 433 μg p-nitrophenol g-1 dry soil h-1) and β-glycosidase activity (50 e 171 μg p-nitrophenol g-1 dry soil h-1). In addition, we indicate microbiological and chemical properties of the soil capable of predicting corn yield in (total nitrogen, pH content and Zn content). The results show that no-tillage associated with grass-legume crop systems improves soil quality. Therefore, the definition of critical limits was as an adequate tool for interpretation of soil microbiological properties and the variables selected to compose the minimum data set were significant to predict the current yield of corn.A qualidade do solo pode ser avaliada através de índices e de propriedades químicas, físicas e biológicas. No entanto, ainda existe uma lacuna de informação quanto aos valores de referência para interpretação das propriedades microbiológicos do solo. Nesse estudo, objetivou-se definir limite críticos, superiores e inferiores, e classes interpretativas para propriedades microbiológicas do solo; estabelecer um conjunto mínimo de dados baseado em associações estatísticas entre o rendimento do milho e as propriedades microbiológicas e químicas do solo; e determinar se as variáveis selecionadas pelo conjunto mínimo de dados expressam o rendimento atual do milho em Argissolo Vermelho distrófico típico do Rio Grande do Sul, Brasil. Os principais resultados foram a elaboração das classes interpretativas, com base nos limites superior e inferior para carbono da biomassa microbiana (CBM) (108 e 331 mg C kg-1 solo), nitrogênio da biomassa microbiana (12 e 40 mg N kg-1 solo), respiração basal do solo (0,46 e 1,12 mg C-CO2 kg solo h-1), atividade das enzimas arilsulfatase (166 e 433 μg p-nitrophenol g-1 solo seco h-1) e β-glicosidase (50 e 171 μg p-nitrophenol g-1 solo seco h-1); e a identificação de propriedades microbiológicas e químicas do solo capazes de prever o rendimento do milho nos sistemas de manejo (nitrogênio total, teor de pH e teor de Zn). Os resultados mostram que o plantio direto associado à sistemas de culturas gramíneas/leguminosas melhora a qualidade do solo. Assim, a definição dos limites críticos apresentou-se como ferramenta adequada para a interpretação das propriedades microbiológicas do solo, e as variáveis selecionadas para compor o conjunto mínimo de dados foram significativas para prever o rendimento atual do milho.Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPESporUniversidade Federal de Santa MariaCentro de Ciências RuraisPrograma de Pós-Graduação em Ciência do SoloUFSMBrasilAgronomiaAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessRendimento do milhoClasses interpretativasQualidade do soloZea mays LCorn yieldInterpretative classesSoil qualityCNPQ::CIENCIAS AGRARIAS::AGRONOMIA::CIENCIA DO SOLOPropriedades microbiológicas e índice de qualidade de um argissolo subtropical submetido a sistemas de manejoMicrobiological properties and soil quality index in the subtropical region of Brazilinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisAntoniolli, Zaida Ineshttp://lattes.cnpq.br/4692942549618168Jacques, Rodrigo Josemar SeminotiBayer, CimélioSilveira, Andressa de Oliveirahttp://lattes.cnpq.br/4730600470944952Sobucki, Lisiane5001001000056006006006006006002ccb9ba1-566a-4a0d-b8d9-1e988826fccee43355aa-0068-4bca-8a1c-f7cf408c233146b67fa6-e04a-4e8b-8a8b-e29d45d1011d7a3b6385-8038-4245-8924-c3e290bf2789cb5e9088-0633-4faa-821c-5ec4ac23b90freponame:Biblioteca Digital de Teses e Dissertações do UFSMinstname:Universidade Federal de Santa Maria (UFSM)instacron:UFSMORIGINALDIS_PPGCS_2020_SOBUCKI_LISIANE.pdfDIS_PPGCS_2020_SOBUCKI_LISIANE.pdfDissertaçãoapplication/pdf1541178http://repositorio.ufsm.br/bitstream/1/21988/1/DIS_PPGCS_2020_SOBUCKI_LISIANE.pdfa8328acc5297e4251ac9f95cf822adb9MD51CC-LICENSElicense_rdflicense_rdfapplication/rdf+xml; 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dc.title.por.fl_str_mv |
Propriedades microbiológicas e índice de qualidade de um argissolo subtropical submetido a sistemas de manejo |
dc.title.alternative.eng.fl_str_mv |
Microbiological properties and soil quality index in the subtropical region of Brazil |
title |
Propriedades microbiológicas e índice de qualidade de um argissolo subtropical submetido a sistemas de manejo |
spellingShingle |
Propriedades microbiológicas e índice de qualidade de um argissolo subtropical submetido a sistemas de manejo Sobucki, Lisiane Rendimento do milho Classes interpretativas Qualidade do solo Zea mays L Corn yield Interpretative classes Soil quality CNPQ::CIENCIAS AGRARIAS::AGRONOMIA::CIENCIA DO SOLO |
title_short |
Propriedades microbiológicas e índice de qualidade de um argissolo subtropical submetido a sistemas de manejo |
title_full |
Propriedades microbiológicas e índice de qualidade de um argissolo subtropical submetido a sistemas de manejo |
title_fullStr |
Propriedades microbiológicas e índice de qualidade de um argissolo subtropical submetido a sistemas de manejo |
title_full_unstemmed |
Propriedades microbiológicas e índice de qualidade de um argissolo subtropical submetido a sistemas de manejo |
title_sort |
Propriedades microbiológicas e índice de qualidade de um argissolo subtropical submetido a sistemas de manejo |
author |
Sobucki, Lisiane |
author_facet |
Sobucki, Lisiane |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Antoniolli, Zaida Ines |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/4692942549618168 |
dc.contributor.advisor-co1.fl_str_mv |
Jacques, Rodrigo Josemar Seminoti |
dc.contributor.referee1.fl_str_mv |
Bayer, Cimélio |
dc.contributor.referee2.fl_str_mv |
Silveira, Andressa de Oliveira |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/4730600470944952 |
dc.contributor.author.fl_str_mv |
Sobucki, Lisiane |
contributor_str_mv |
Antoniolli, Zaida Ines Jacques, Rodrigo Josemar Seminoti Bayer, Cimélio Silveira, Andressa de Oliveira |
dc.subject.por.fl_str_mv |
Rendimento do milho Classes interpretativas Qualidade do solo Zea mays L |
topic |
Rendimento do milho Classes interpretativas Qualidade do solo Zea mays L Corn yield Interpretative classes Soil quality CNPQ::CIENCIAS AGRARIAS::AGRONOMIA::CIENCIA DO SOLO |
dc.subject.eng.fl_str_mv |
Corn yield Interpretative classes Soil quality |
dc.subject.cnpq.fl_str_mv |
CNPQ::CIENCIAS AGRARIAS::AGRONOMIA::CIENCIA DO SOLO |
description |
Soil quality can be assessed through chemical, physical and biological index and properties. However, there is a knowledge gap on the reference values for interpretation of soil microbiological properties. In this study, we objective was to define critical limits (upper and lower) and interpretive classes for soil microbiological properties; establish a minimum data set based on statistical associations between corn yield and soil microbiological and chemical properties; and to determine if the variables selected by the minimum data set influence the current corn yield in Typic Paleudult from Rio Grande do Sul, Brazil. The main results were the development of interpretative classes for microbial biomass C (108 e 331 mg C kg-1 soil), microbial biomass N (12 e 40 mg N kg-1 soil), basal respiration (0,46 e 1,12 mg C-CO2 kg soil h-1), arilsulfatase (166 e 433 μg p-nitrophenol g-1 dry soil h-1) and β-glycosidase activity (50 e 171 μg p-nitrophenol g-1 dry soil h-1). In addition, we indicate microbiological and chemical properties of the soil capable of predicting corn yield in (total nitrogen, pH content and Zn content). The results show that no-tillage associated with grass-legume crop systems improves soil quality. Therefore, the definition of critical limits was as an adequate tool for interpretation of soil microbiological properties and the variables selected to compose the minimum data set were significant to predict the current yield of corn. |
publishDate |
2020 |
dc.date.issued.fl_str_mv |
2020-02-20 |
dc.date.accessioned.fl_str_mv |
2021-08-18T18:02:40Z |
dc.date.available.fl_str_mv |
2021-08-18T18:02:40Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
format |
masterThesis |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://repositorio.ufsm.br/handle/1/21988 |
url |
http://repositorio.ufsm.br/handle/1/21988 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.cnpq.fl_str_mv |
500100100005 |
dc.relation.confidence.fl_str_mv |
600 600 600 600 600 600 |
dc.relation.authority.fl_str_mv |
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dc.rights.driver.fl_str_mv |
Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
Universidade Federal de Santa Maria Centro de Ciências Rurais |
dc.publisher.program.fl_str_mv |
Programa de Pós-Graduação em Ciência do Solo |
dc.publisher.initials.fl_str_mv |
UFSM |
dc.publisher.country.fl_str_mv |
Brasil |
dc.publisher.department.fl_str_mv |
Agronomia |
publisher.none.fl_str_mv |
Universidade Federal de Santa Maria Centro de Ciências Rurais |
dc.source.none.fl_str_mv |
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UFSM |
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Biblioteca Digital de Teses e Dissertações do UFSM |
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