Caracterização de um vermicomposto com diferentes tempos de bioconversão
Autor(a) principal: | |
---|---|
Data de Publicação: | 2021 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações do UFSM |
Texto Completo: | http://repositorio.ufsm.br/handle/1/24483 |
Resumo: | Vermicomposting is an environmental-friendly process of biotransformation of organic waste into useful products. The aim of the study was to evaluate the relationship between vermicomposting time and changes in biological, physical, and chemical attributes during bovine manure vermicomposting. Pots (vermireactors) containing 4 kg of cattle manure were inoculated with Eisenia andrei at a population density equivalent to 5,000 adult earthworms m-2. Changes in the physical-chemical and biological parameters were evaluated at 15, 30, 45, 60 and 120 days of vermicomposting and compared with the contents found in cattle manure. The initial phase of vermicomposting (0-45 days) was characterized by high basal respiration while the maturation phase (45-120 days) was characterized by high earthworm density and biomass and concentration of nutrients in the vermicompost. During the 120 days, there was a decrease in microbial activity (56%), vermicompost mass (35%), organic matter (10%), total organic carbon (13%), total organic nitrogen (6.0% ), the C / N ratio (8.0%) and the C / P ratio (45%). In contrast, there were increases in ash content (53%), electrical conductivity (23%), K (18%), P (57%), Ca (62%), Mg (54%), Cu (37%) , Zn (51%), NO2- + NO3- (39%), NH4+ (14%), total mineral N (26%), dissolved organic C / N ratio (83%) and bulk density (34%). Vermicomposting also resulted in changes in the degree of aromaticity of the dissolved organic matter. There was a great population growth of earthworms in the final stage of vermicomposting, reaching values of 34,000 earthworms m-2 and 87,000 cocoons m-2. We have demonstrated that 30 days of vermicomposting is sufficient to obtain a quality organic fertilizer, however it is necessary 120 days to obtain satisfactory results in the production of earthworms. |
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2022-05-25T19:27:12Z2022-05-25T19:27:12Z2021-05-28http://repositorio.ufsm.br/handle/1/24483Vermicomposting is an environmental-friendly process of biotransformation of organic waste into useful products. The aim of the study was to evaluate the relationship between vermicomposting time and changes in biological, physical, and chemical attributes during bovine manure vermicomposting. Pots (vermireactors) containing 4 kg of cattle manure were inoculated with Eisenia andrei at a population density equivalent to 5,000 adult earthworms m-2. Changes in the physical-chemical and biological parameters were evaluated at 15, 30, 45, 60 and 120 days of vermicomposting and compared with the contents found in cattle manure. The initial phase of vermicomposting (0-45 days) was characterized by high basal respiration while the maturation phase (45-120 days) was characterized by high earthworm density and biomass and concentration of nutrients in the vermicompost. During the 120 days, there was a decrease in microbial activity (56%), vermicompost mass (35%), organic matter (10%), total organic carbon (13%), total organic nitrogen (6.0% ), the C / N ratio (8.0%) and the C / P ratio (45%). In contrast, there were increases in ash content (53%), electrical conductivity (23%), K (18%), P (57%), Ca (62%), Mg (54%), Cu (37%) , Zn (51%), NO2- + NO3- (39%), NH4+ (14%), total mineral N (26%), dissolved organic C / N ratio (83%) and bulk density (34%). Vermicomposting also resulted in changes in the degree of aromaticity of the dissolved organic matter. There was a great population growth of earthworms in the final stage of vermicomposting, reaching values of 34,000 earthworms m-2 and 87,000 cocoons m-2. We have demonstrated that 30 days of vermicomposting is sufficient to obtain a quality organic fertilizer, however it is necessary 120 days to obtain satisfactory results in the production of earthworms.A vermicompostagem é um processo ecologicamente correto de biotransformação de resíduos orgânicos em produtos úteis. O objetivo do estudo foi avaliar a relação entre o tempo de vermicompostagem e as mudanças em atributos biológicos, físicos e químicos durante a vermicompostagem de esterco bovino. Vasos contendo 4 kg de esterco bovino foram inoculados com Eisenia andrei numa densidade equivalente a 5.000 minhocas adultas m-2. Mudanças nos parâmetros físico-químicos e biológicos foram avaliadas aos 15, 30, 45, 60 e 120 dias de vermicompostagem e comparadas com os conteúdos encontrados no esterco de bovinos em confinamento. A fase inicial da vermicompostagem (0-45 dias) foi caracterizada pela elevada respiração basal enquanto a fase de maturação (45-120 dias) pela elevada densidade e biomassa de minhocas e concentração de nutrientes nos vermicompostos. Durante os 120 dias observou-se o decrescimento da atividade microbiana (56%), da massa do vermicomposto (35%), da matéria orgânica (10%), do carbono orgânico total (13%), do nitrogênio orgânico total (6.0%), da relação C / N (8.0%) e da relação C / P (45%). Em contrapartida, houveram incrementos no conteúdo de cinzas (53%), condutividade elétrica (23%), K (18%), P (57%), Ca (62%), Mg (54%), Cu (37%), Zn (51%), NO2- + NO3- (39%), NH4+ (14%), N mineral total (26%), relação C / N orgânico dissolvido (83%) e na densidade aparente (34%). A vermicompostagem também resultou em mudanças no grau de aromaticidade da matéria orgânica dissolvida. Houve grande crescimento populacional de minhocas na fase final da vermicompostagem, atingindo valores de 34.000 minhocas m-2 e 87.000 cócons m-2. Nossos resultados demonstram que 30 dias de vermicompostagem são suficientes para obter um adubo orgânico de qualidade, porém são necessários 120 dias para obter resultados satisfatório na produção de minhocas.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/openAccessAdubo orgânicoEisenia andreiEspectroscopia no infravermelhoPopulação de minhocasReaproveitamento de resíduosOrganic fertilizerInfrared spectroscopyEarthworm populationReuse of wasteCNPQ::CIENCIAS AGRARIAS::AGRONOMIA::CIENCIA DO SOLOCaracterização de um vermicomposto com diferentes tempos de bioconversãoCharacterization of a vermicompost with different bioconversion timesinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisJacques, Rodrigo Josemar Seminotihttp://lattes.cnpq.br/7125174529787074Brunetto, GustavoDominguez, JorgeSantana, Natielo Almeidahttp://lattes.cnpq.br/0823091739354376Ramos, Rodrigo Ferraz500100100005600600600600600600d08ea39d-f039-4bf8-8abb-77396310decb128d39b1-8331-4183-a71d-3cc8d651b82db47a1363-8706-42c2-ab69-c3557434319156cf194f-52a4-44a2-baae-ce0dd05b9c4745548399-de81-4814-89a2-ebbc067874dareponame:Biblioteca Digital de Teses e Dissertações do UFSMinstname:Universidade Federal de Santa Maria (UFSM)instacron:UFSMORIGINALDIS_PPGCS_2021_RAMOS_RODRIGO.pdfDIS_PPGCS_2021_RAMOS_RODRIGO.pdfDissertação de mestradoapplication/pdf1494861http://repositorio.ufsm.br/bitstream/1/24483/1/DIS_PPGCS_2021_RAMOS_RODRIGO.pdfcbd343458833c4984a32e1816e9f181cMD51CC-LICENSElicense_rdflicense_rdfapplication/rdf+xml; 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dc.title.por.fl_str_mv |
Caracterização de um vermicomposto com diferentes tempos de bioconversão |
dc.title.alternative.eng.fl_str_mv |
Characterization of a vermicompost with different bioconversion times |
title |
Caracterização de um vermicomposto com diferentes tempos de bioconversão |
spellingShingle |
Caracterização de um vermicomposto com diferentes tempos de bioconversão Ramos, Rodrigo Ferraz Adubo orgânico Eisenia andrei Espectroscopia no infravermelho População de minhocas Reaproveitamento de resíduos Organic fertilizer Infrared spectroscopy Earthworm population Reuse of waste CNPQ::CIENCIAS AGRARIAS::AGRONOMIA::CIENCIA DO SOLO |
title_short |
Caracterização de um vermicomposto com diferentes tempos de bioconversão |
title_full |
Caracterização de um vermicomposto com diferentes tempos de bioconversão |
title_fullStr |
Caracterização de um vermicomposto com diferentes tempos de bioconversão |
title_full_unstemmed |
Caracterização de um vermicomposto com diferentes tempos de bioconversão |
title_sort |
Caracterização de um vermicomposto com diferentes tempos de bioconversão |
author |
Ramos, Rodrigo Ferraz |
author_facet |
Ramos, Rodrigo Ferraz |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Jacques, Rodrigo Josemar Seminoti |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/7125174529787074 |
dc.contributor.advisor-co1.fl_str_mv |
Brunetto, Gustavo |
dc.contributor.referee1.fl_str_mv |
Dominguez, Jorge |
dc.contributor.referee2.fl_str_mv |
Santana, Natielo Almeida |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/0823091739354376 |
dc.contributor.author.fl_str_mv |
Ramos, Rodrigo Ferraz |
contributor_str_mv |
Jacques, Rodrigo Josemar Seminoti Brunetto, Gustavo Dominguez, Jorge Santana, Natielo Almeida |
dc.subject.por.fl_str_mv |
Adubo orgânico Eisenia andrei Espectroscopia no infravermelho População de minhocas Reaproveitamento de resíduos |
topic |
Adubo orgânico Eisenia andrei Espectroscopia no infravermelho População de minhocas Reaproveitamento de resíduos Organic fertilizer Infrared spectroscopy Earthworm population Reuse of waste CNPQ::CIENCIAS AGRARIAS::AGRONOMIA::CIENCIA DO SOLO |
dc.subject.eng.fl_str_mv |
Organic fertilizer Infrared spectroscopy Earthworm population Reuse of waste |
dc.subject.cnpq.fl_str_mv |
CNPQ::CIENCIAS AGRARIAS::AGRONOMIA::CIENCIA DO SOLO |
description |
Vermicomposting is an environmental-friendly process of biotransformation of organic waste into useful products. The aim of the study was to evaluate the relationship between vermicomposting time and changes in biological, physical, and chemical attributes during bovine manure vermicomposting. Pots (vermireactors) containing 4 kg of cattle manure were inoculated with Eisenia andrei at a population density equivalent to 5,000 adult earthworms m-2. Changes in the physical-chemical and biological parameters were evaluated at 15, 30, 45, 60 and 120 days of vermicomposting and compared with the contents found in cattle manure. The initial phase of vermicomposting (0-45 days) was characterized by high basal respiration while the maturation phase (45-120 days) was characterized by high earthworm density and biomass and concentration of nutrients in the vermicompost. During the 120 days, there was a decrease in microbial activity (56%), vermicompost mass (35%), organic matter (10%), total organic carbon (13%), total organic nitrogen (6.0% ), the C / N ratio (8.0%) and the C / P ratio (45%). In contrast, there were increases in ash content (53%), electrical conductivity (23%), K (18%), P (57%), Ca (62%), Mg (54%), Cu (37%) , Zn (51%), NO2- + NO3- (39%), NH4+ (14%), total mineral N (26%), dissolved organic C / N ratio (83%) and bulk density (34%). Vermicomposting also resulted in changes in the degree of aromaticity of the dissolved organic matter. There was a great population growth of earthworms in the final stage of vermicomposting, reaching values of 34,000 earthworms m-2 and 87,000 cocoons m-2. We have demonstrated that 30 days of vermicomposting is sufficient to obtain a quality organic fertilizer, however it is necessary 120 days to obtain satisfactory results in the production of earthworms. |
publishDate |
2021 |
dc.date.issued.fl_str_mv |
2021-05-28 |
dc.date.accessioned.fl_str_mv |
2022-05-25T19:27:12Z |
dc.date.available.fl_str_mv |
2022-05-25T19:27:12Z |
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info:eu-repo/semantics/publishedVersion |
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info:eu-repo/semantics/masterThesis |
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masterThesis |
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publishedVersion |
dc.identifier.uri.fl_str_mv |
http://repositorio.ufsm.br/handle/1/24483 |
url |
http://repositorio.ufsm.br/handle/1/24483 |
dc.language.iso.fl_str_mv |
por |
language |
por |
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500100100005 |
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600 600 600 600 600 600 |
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Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess |
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Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ |
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openAccess |
dc.publisher.none.fl_str_mv |
Universidade Federal de Santa Maria Centro de Ciências Rurais |
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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 |
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