Qualidade da mat?ria org?nica e atividade biol?gica das subst?ncias h?micas de solos de ?reas do bioma Cerrado com diferentes n?veis de preserva??o

Detalhes bibliográficos
Autor(a) principal: Ara?jo, Katharine Vinholte de
Data de Publicação: 2019
Tipo de documento: Dissertação
Idioma: por
Título da fonte: Repositório Institucional da UFVJM
Texto Completo: http://acervo.ufvjm.edu.br/jspui/handle/1/2036
Resumo: ?rea de concentra??o: Produ??o Vegetal.
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spelling Ara?jo, Katharine Vinholte deDobbss, Leonardo BarrosTerra, Fabr?cio da SilvaTerra, Ingrid HorakP?dua J?nior, Alceu LinaresSilva, T?nia Pires daUniversidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM)Dobbss, Leonardo Barros2019-08-22T14:49:21Z2019-08-22T14:49:21Z20192019-02-11ARA?JO, Katharine Vinholte de. Qualidade da mat?ria org?nica e atividade biol?gica das subst?ncias h?micas de solos de ?reas do bioma Cerrado com diferentes n?veis de preserva??o. 2019. 63 p. Disserta??o (Mestrado) ? Programa de P?s-Gradua??o em Produ??o Vegetal, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, 2019.http://acervo.ufvjm.edu.br/jspui/handle/1/2036?rea de concentra??o: Produ??o Vegetal.Nas ?ltimas tr?s d?cadas o bioma Cerrado tem passado por um processo de transforma??o cont?nua pela substitui??o da vegeta??o nativa por atividades explorat?rias. No munic?pio de Una?/Minas Gerais um dos maiores problemas ambientais ? o desmatamento de ?reas preservadas de cerrado para inser??o de pastagens e lavouras branca, o que causa efeitos negativos sob a qualidade do solo. Um dos principais indicadores da qualidade do solo ? a mat?ria org?nica, que em seu processo de decomposi??o s?o originadas as subst?ncias h?micas (SH) onde suas fra??es: ?cido h?mico (AH), ?cido f?lvico (AF) e humina (HU) possuem efeitos ben?ficos relatados sob a qualidade do solo e no desenvolvimento de vegetais, e a avalia??o do potencial destes materiais h?micos isolados de diferentes fontes sobre o crescimento e desenvolvimento de plantas t?m sido explorados. De acordo com o exposto, esse trabalho teve como objetivos avaliar a qualidade da mat?ria org?nica de solos oriundos de ?reas de cerrado com diferentes n?veis de preserva??o (preservada e degradada), caracterizar os materiais h?micos extra?dos das distintas ?reas e verificar a atividade biol?gica dos AH e AF sobre a promo??o do crescimento de pl?ntulas de E. contortisiliquum. Os solos foram coletados em ?reas de cerrado distintas em termos de preserva??o, localizadas no Assentamento Curral do Fogo, zona rural do munic?pio de Una?/Minas Gerais. A qualidade da mat?ria org?nica de solos foi obtida por fracionamento qu?mico seguido da obten??o dos valores de carbono de cada fra??o (AH e AF). Os materiais h?micos foram caracterizados atrav?s de m?todos qu?micos e espectrosc?picos, tais como: conte?do de carbono, determina??o da acidez total e espectroscopias nas regi?es ultravioleta-vis?vel e infravermelho. Realizou-se ensaio de concentra??o resposta dos materiais h?micos de solos de ?rea preservada e degradada e ap?s a obten??o das concentra??es ideais, comp?s-se 7 tratamentos (Controle, AH da ?rea preservada, AH da ?rea degradada, AF da ?rea preservada, AF da ?rea degradada, AH+AF da ?rea preservada e AH+AF da ?rea degradada) com novas pl?ntulas para a avalia??o de caracter?sticas morfol?gicas, an?lise da atividade de enzimas antioxidantes, quantifica??o de pigmentos fotossintetizantes e a estimativa da atividade da H+-ATPase. Houve diferen?as com rela??o ? qualidade da mat?ria org?nica, o solo oriundo de mata nativa conferiu melhores qualidades da mat?ria org?nica. Os materiais h?micos possuem caracter?sticas qu?micas diferenciadas, sendo o AH+AF de ?rea preservada o mais humificado e o que apresenta maior atividade biol?gica, ou seja, capaz de modificar as taxas de crescimento, a atividade de enzimas antioxidantes, e o teor de clorofila nas pl?ntulas de E. contortisiliquum. Al?m disso, os materiais h?micos de ?rea preservada foram capazes de aumentar a atividade da H+-ATPase.Submitted by Nivaldo Melo (nivaldo.melo@ufvjm.edu.br) on 2019-08-21T19:27:08Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) katharine_vinholte_araujo.pdf: 2426112 bytes, checksum: cf531345a5fda6f20f7c48b2d64cedaf (MD5)Approved for entry into archive by Jos? Henrique Henrique (jose.neves@ufvjm.edu.br) on 2019-08-22T14:49:21Z (GMT) No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) katharine_vinholte_araujo.pdf: 2426112 bytes, checksum: cf531345a5fda6f20f7c48b2d64cedaf (MD5)Made available in DSpace on 2019-08-22T14:49:21Z (GMT). No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) katharine_vinholte_araujo.pdf: 2426112 bytes, checksum: cf531345a5fda6f20f7c48b2d64cedaf (MD5) Previous issue date: 2019Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior (CAPES)Disserta??o (Mestrado) ? Programa de P?s-Gradua??o em Produ??o Vegetal, Universidade Federal dos Vales do Jequitinhonha e Mucuri, 2019.In the last three decades the Cerrado biome has undergone a process of continuous transformation by the substitution of native vegetation for exploratory activities. In the municipality of Una?/Minas Gerais, one of the master environmental problems is the deforestation of preserved areas of cerrado for the insertion of pastures and white crops, which causes negative effects under soil quality. One of the main indicators of soil quality is organic matter, which in its process of decomposition are the humic substances (SH) where their fractions: humic acid (HA), fulvic acid (FA) and humin (HU) have beneficial effects reported under soil quality and plant development, and the evaluation of the potential of these humic materials isolated from different sources on plant growth and development have been explored. The objective of this work was to evaluate the organic matter quality of soils from cerrado areas with different levels of preservation (preserved and degraded), to characterize the humic materials extracted from the different areas and to verify the biological activity of AH and AF on the growth promotion of E. contortisiliquum seedlings. The soils were collected in distinct cerrado areas in terms of preservation, located in the Curral do Fogo settlement, in the rural area of the municipality of Una?/Minas Gerais. The soil organic matter quality was obtained by chemical fractionation followed by obtaining the carbon values of each fraction (AH and AF). The humic materials were characterized by chemical and spectroscopic methods, such as: carbon content, determination of total acidity and spectroscopies in the ultraviolet-visible and infrared regions. A concentration response of humic materials from preserved and degraded area soils was obtained, and after obtaining the optimum concentrations, 7 treatments (Control; AH of the preserved area; AH of the degraded area; AF of the preserved area; AF of the degraded area; AH + AF of the preserved area and AH + AF of the degraded area) with new seedlings for the evaluation of morphological characteristics, antioxidant enzyme activity analysis, quantification of photosynthetic pigments and estimation of H+-ATPase activity. There were differences with respect to the quality of the organic matter, the native soil of native forest conferred better qualities of the organic matter. The humic materials have different chemical characteristics, the AH + AF of the preserved area being the most humid and the one with the highest biological activity, that is, capable of modifying the growth rates, the activity of antioxidant enzymes, and the chlorophyll content in the E. contortisiliquum seedlings. In addition, preserved area humic materials were able to increase H +-ATPase activity.porUFVJMA concess?o da licen?a deste item refere-se ao ? termo de autoriza??o impresso assinado pelo autor, assim como na licen?a Creative Commons, com as seguintes condi??es: Na qualidade de titular dos direitos de autor da publica??o, autorizo a Universidade Federal dos Vales do Jequitinhonha e Mucuri e o IBICT a disponibilizar por meio de seus reposit?rios, sem ressarcimento dos direitos autorais, de acordo com a Lei n? 9610/98, o texto integral da obra disponibilizada, conforme permiss?es assinaladas, para fins de leitura, impress?o e/ou download, a t?tulo de divulga??o da produ??o cient?fica brasileira, e preserva??o, a partir desta data.info:eu-repo/semantics/openAccessQualidade da mat?ria org?nica e atividade biol?gica das subst?ncias h?micas de solos de ?reas do bioma Cerrado com diferentes n?veis de preserva??oQuality of organic matter and biological activity of humic substances of soils areas of the Cerrado biome with different levels of preservationinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesis?cido h?mico?cido f?lvicoBioatividadeEnterolobium contortisiliquumHumic acidFulvic acidBioactivityreponame:Repositório Institucional da UFVJMinstname:Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM)instacron:UFVJMTEXTkatharine_vinholte_araujo.pdf.txtkatharine_vinholte_araujo.pdf.txtExtracted texttext/plain144545http://acervo.ufvjm.edu.br/jspui/bitstream/1/2036/6/katharine_vinholte_araujo.pdf.txt282c0c1175489e08a7f436797dd192eeMD56LICENSElicense.txtlicense.txttext/plain; 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dc.title.pt_BR.fl_str_mv Qualidade da mat?ria org?nica e atividade biol?gica das subst?ncias h?micas de solos de ?reas do bioma Cerrado com diferentes n?veis de preserva??o
dc.title.alternative.en.fl_str_mv Quality of organic matter and biological activity of humic substances of soils areas of the Cerrado biome with different levels of preservation
title Qualidade da mat?ria org?nica e atividade biol?gica das subst?ncias h?micas de solos de ?reas do bioma Cerrado com diferentes n?veis de preserva??o
spellingShingle Qualidade da mat?ria org?nica e atividade biol?gica das subst?ncias h?micas de solos de ?reas do bioma Cerrado com diferentes n?veis de preserva??o
Ara?jo, Katharine Vinholte de
?cido h?mico
?cido f?lvico
Bioatividade
Enterolobium contortisiliquum
Humic acid
Fulvic acid
Bioactivity
title_short Qualidade da mat?ria org?nica e atividade biol?gica das subst?ncias h?micas de solos de ?reas do bioma Cerrado com diferentes n?veis de preserva??o
title_full Qualidade da mat?ria org?nica e atividade biol?gica das subst?ncias h?micas de solos de ?reas do bioma Cerrado com diferentes n?veis de preserva??o
title_fullStr Qualidade da mat?ria org?nica e atividade biol?gica das subst?ncias h?micas de solos de ?reas do bioma Cerrado com diferentes n?veis de preserva??o
title_full_unstemmed Qualidade da mat?ria org?nica e atividade biol?gica das subst?ncias h?micas de solos de ?reas do bioma Cerrado com diferentes n?veis de preserva??o
title_sort Qualidade da mat?ria org?nica e atividade biol?gica das subst?ncias h?micas de solos de ?reas do bioma Cerrado com diferentes n?veis de preserva??o
author Ara?jo, Katharine Vinholte de
author_facet Ara?jo, Katharine Vinholte de
author_role author
dc.contributor.references.none.fl_str_mv Dobbss, Leonardo Barros
Terra, Fabr?cio da Silva
Terra, Ingrid Horak
P?dua J?nior, Alceu Linares
dc.contributor.advisorco.none.fl_str_mv Silva, T?nia Pires da
dc.contributor.institution.pt_BR.fl_str_mv Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM)
dc.contributor.author.fl_str_mv Ara?jo, Katharine Vinholte de
dc.contributor.advisor1.fl_str_mv Dobbss, Leonardo Barros
contributor_str_mv Dobbss, Leonardo Barros
dc.subject.keyword.pt_BR.fl_str_mv ?cido h?mico
?cido f?lvico
Bioatividade
topic ?cido h?mico
?cido f?lvico
Bioatividade
Enterolobium contortisiliquum
Humic acid
Fulvic acid
Bioactivity
dc.subject.keyword.-.fl_str_mv Enterolobium contortisiliquum
dc.subject.keyword.en.fl_str_mv Humic acid
Fulvic acid
Bioactivity
description ?rea de concentra??o: Produ??o Vegetal.
publishDate 2019
dc.date.submitted.none.fl_str_mv 2019-02-11
dc.date.accessioned.fl_str_mv 2019-08-22T14:49:21Z
dc.date.available.fl_str_mv 2019-08-22T14:49:21Z
dc.date.issued.fl_str_mv 2019
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.citation.fl_str_mv ARA?JO, Katharine Vinholte de. Qualidade da mat?ria org?nica e atividade biol?gica das subst?ncias h?micas de solos de ?reas do bioma Cerrado com diferentes n?veis de preserva??o. 2019. 63 p. Disserta??o (Mestrado) ? Programa de P?s-Gradua??o em Produ??o Vegetal, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, 2019.
dc.identifier.uri.fl_str_mv http://acervo.ufvjm.edu.br/jspui/handle/1/2036
identifier_str_mv ARA?JO, Katharine Vinholte de. Qualidade da mat?ria org?nica e atividade biol?gica das subst?ncias h?micas de solos de ?reas do bioma Cerrado com diferentes n?veis de preserva??o. 2019. 63 p. Disserta??o (Mestrado) ? Programa de P?s-Gradua??o em Produ??o Vegetal, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, 2019.
url http://acervo.ufvjm.edu.br/jspui/handle/1/2036
dc.language.iso.fl_str_mv por
language por
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv UFVJM
publisher.none.fl_str_mv UFVJM
dc.source.none.fl_str_mv reponame:Repositório Institucional da UFVJM
instname:Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM)
instacron:UFVJM
instname_str Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM)
instacron_str UFVJM
institution UFVJM
reponame_str Repositório Institucional da UFVJM
collection Repositório Institucional da UFVJM
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