Heavy metals availability and fractions in soil amended with biosolid composts
Autor(a) principal: | |
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Data de Publicação: | 2007 |
Outros Autores: | , , |
Tipo de documento: | Artigo de conferência |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://www.actahort.org/books/762/762_35.htm http://hdl.handle.net/11449/70156 |
Resumo: | The heavy metals when linked to organic matter have a behavior in the soil that is still little known. This study aimed to evaluate the effect of sewage-sludge-based composts when incorporated in the soil, in relation to heavy metals availability. Five composts were incorporated using sugar-cane bagasse, sewage sludge and cattle manure in the respective proportions: 75-0-25, 75-12.5-12.5, 75-25-0, 50-50-0 and 0-100-0 (composts with 0, 12.5, 25, 50 and 100% sewage sludge). The experiment consisted of 6 treatments (5 composts and a control with mineral fertilization) in randomized blocks with a split-plot design. The control and the treatment of 0% sewage sludge received inorganic nitrogen (N). All the treatments received the same amount of N (8.33 g) K (5.80 g) and K (8.11 g) per pot. Tomato plants were cultivated in 24.0 L pots in a greenhouse in Jaboticabal, SP, Brazil. The concentrations of heavy metals were determined in the soil samples at day 0 after compost incorporation. The higher the sewage sludge doses, the higher heavy metal contents in the soil. Among extractants, Melhlich-1 extracted the highest amount of heavy metals, while DTPA extracted the lowest one. The residual fraction presented the highest heavy metal content, followed by Fe oxides crystalline and amorphous to Cu, Cr and Mn, and Mn oxides, and Fe amorphous to Zn, indicating strong associations to oxides and clays. There were significant positive correlations between Mn contents in the plant and Mn linked to Fe oxide amorphous and crystalline. |
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Heavy metals availability and fractions in soil amended with biosolid compostsComposting processEnvironmental impactExtractorsLycopersicon esculentum Mill.Sequential extractionSewage sludgeBosLycopersicon esculentumSaccharumThe heavy metals when linked to organic matter have a behavior in the soil that is still little known. This study aimed to evaluate the effect of sewage-sludge-based composts when incorporated in the soil, in relation to heavy metals availability. Five composts were incorporated using sugar-cane bagasse, sewage sludge and cattle manure in the respective proportions: 75-0-25, 75-12.5-12.5, 75-25-0, 50-50-0 and 0-100-0 (composts with 0, 12.5, 25, 50 and 100% sewage sludge). The experiment consisted of 6 treatments (5 composts and a control with mineral fertilization) in randomized blocks with a split-plot design. The control and the treatment of 0% sewage sludge received inorganic nitrogen (N). All the treatments received the same amount of N (8.33 g) K (5.80 g) and K (8.11 g) per pot. Tomato plants were cultivated in 24.0 L pots in a greenhouse in Jaboticabal, SP, Brazil. The concentrations of heavy metals were determined in the soil samples at day 0 after compost incorporation. The higher the sewage sludge doses, the higher heavy metal contents in the soil. Among extractants, Melhlich-1 extracted the highest amount of heavy metals, while DTPA extracted the lowest one. The residual fraction presented the highest heavy metal content, followed by Fe oxides crystalline and amorphous to Cu, Cr and Mn, and Mn oxides, and Fe amorphous to Zn, indicating strong associations to oxides and clays. There were significant positive correlations between Mn contents in the plant and Mn linked to Fe oxide amorphous and crystalline.Departamento de Tecnologia Faculdade de Ciências Agrárias e Veterinárias UNESP, Jaboticabal, SP, CEP 14884-900Departamento de Produção Vegetal Faculdade de Ciências Agrárias e Veterinárias UNESP, Jaboticabal, SP, CEP 14884-900Departamento de Tecnologia Faculdade de Ciências Agrárias e Veterinárias UNESP, Jaboticabal, SP, CEP 14884-900Departamento de Produção Vegetal Faculdade de Ciências Agrárias e Veterinárias UNESP, Jaboticabal, SP, CEP 14884-900Universidade Estadual Paulista (Unesp)Revoredo, M. D. [UNESP]Cintra, A. A D [UNESP]Braz, L. T. [UNESP]Melo, W. J. [UNESP]2014-05-27T11:22:43Z2014-05-27T11:22:43Z2007-12-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObject365-372http://www.actahort.org/books/762/762_35.htmActa Horticulturae, v. 762, p. 365-372.0567-7572http://hdl.handle.net/11449/70156WOS:0002556793000352-s2.0-61449154561Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengActa Horticulturae0,198info:eu-repo/semantics/openAccess2021-10-23T21:41:41Zoai:repositorio.unesp.br:11449/70156Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462021-10-23T21:41:41Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Heavy metals availability and fractions in soil amended with biosolid composts |
title |
Heavy metals availability and fractions in soil amended with biosolid composts |
spellingShingle |
Heavy metals availability and fractions in soil amended with biosolid composts Revoredo, M. D. [UNESP] Composting process Environmental impact Extractors Lycopersicon esculentum Mill. Sequential extraction Sewage sludge Bos Lycopersicon esculentum Saccharum |
title_short |
Heavy metals availability and fractions in soil amended with biosolid composts |
title_full |
Heavy metals availability and fractions in soil amended with biosolid composts |
title_fullStr |
Heavy metals availability and fractions in soil amended with biosolid composts |
title_full_unstemmed |
Heavy metals availability and fractions in soil amended with biosolid composts |
title_sort |
Heavy metals availability and fractions in soil amended with biosolid composts |
author |
Revoredo, M. D. [UNESP] |
author_facet |
Revoredo, M. D. [UNESP] Cintra, A. A D [UNESP] Braz, L. T. [UNESP] Melo, W. J. [UNESP] |
author_role |
author |
author2 |
Cintra, A. A D [UNESP] Braz, L. T. [UNESP] Melo, W. J. [UNESP] |
author2_role |
author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) |
dc.contributor.author.fl_str_mv |
Revoredo, M. D. [UNESP] Cintra, A. A D [UNESP] Braz, L. T. [UNESP] Melo, W. J. [UNESP] |
dc.subject.por.fl_str_mv |
Composting process Environmental impact Extractors Lycopersicon esculentum Mill. Sequential extraction Sewage sludge Bos Lycopersicon esculentum Saccharum |
topic |
Composting process Environmental impact Extractors Lycopersicon esculentum Mill. Sequential extraction Sewage sludge Bos Lycopersicon esculentum Saccharum |
description |
The heavy metals when linked to organic matter have a behavior in the soil that is still little known. This study aimed to evaluate the effect of sewage-sludge-based composts when incorporated in the soil, in relation to heavy metals availability. Five composts were incorporated using sugar-cane bagasse, sewage sludge and cattle manure in the respective proportions: 75-0-25, 75-12.5-12.5, 75-25-0, 50-50-0 and 0-100-0 (composts with 0, 12.5, 25, 50 and 100% sewage sludge). The experiment consisted of 6 treatments (5 composts and a control with mineral fertilization) in randomized blocks with a split-plot design. The control and the treatment of 0% sewage sludge received inorganic nitrogen (N). All the treatments received the same amount of N (8.33 g) K (5.80 g) and K (8.11 g) per pot. Tomato plants were cultivated in 24.0 L pots in a greenhouse in Jaboticabal, SP, Brazil. The concentrations of heavy metals were determined in the soil samples at day 0 after compost incorporation. The higher the sewage sludge doses, the higher heavy metal contents in the soil. Among extractants, Melhlich-1 extracted the highest amount of heavy metals, while DTPA extracted the lowest one. The residual fraction presented the highest heavy metal content, followed by Fe oxides crystalline and amorphous to Cu, Cr and Mn, and Mn oxides, and Fe amorphous to Zn, indicating strong associations to oxides and clays. There were significant positive correlations between Mn contents in the plant and Mn linked to Fe oxide amorphous and crystalline. |
publishDate |
2007 |
dc.date.none.fl_str_mv |
2007-12-01 2014-05-27T11:22:43Z 2014-05-27T11:22:43Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/conferenceObject |
format |
conferenceObject |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://www.actahort.org/books/762/762_35.htm Acta Horticulturae, v. 762, p. 365-372. 0567-7572 http://hdl.handle.net/11449/70156 WOS:000255679300035 2-s2.0-61449154561 |
url |
http://www.actahort.org/books/762/762_35.htm http://hdl.handle.net/11449/70156 |
identifier_str_mv |
Acta Horticulturae, v. 762, p. 365-372. 0567-7572 WOS:000255679300035 2-s2.0-61449154561 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Acta Horticulturae 0,198 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
365-372 |
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_ |
1799964765388275712 |