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ATRAZINE LEACHING IN SOIL SUBMITTED OF SWINE WASTEWATER APPLICATION

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ATRAZINE LEACHING IN SOIL SUBMITTED OF SWINE WASTEWATER APPLICATION  MORGANA SUSZEK GONÇALVES1; SILVIO CÉSAR SAMPAIO2; FLORIANO LUIZ SUSZEK2; SILVIA RENATA MACHADO COELHO2 E ISAMARA GODOI2  1Academic Department of Environmental, Federal University of Technology - Paraná, Campo Mourão, Paraná, Brazil, morgana@utfpr.edu.br2Postgraduate Program in Agricultural Engineering, Western Paraná State University, Cascavel, Paraná, Brazil, silvio.sampaio@unioeste.br, flsuszek@hotmail.com, silvia.coelho@unioeste.br, isgodoi@gmail.com  1 ABSTRACT In this study, swine wastewater (SW) effects on atrazine leaching were evaluated. The experiment was conducted in laboratory in Cascavel, Paraná, Brazil, where soil columns filled with samples of a Rhodic Hapludox soil received the application of 2.5 kg ha-1 of atrazine mass and were incubated for seven days according to the following treatments: T1 (Sterile soil + SW ), T2 (Sterile soil + distilled water), T3 (Non sterile soil + SW) and T4 (Non sterile soil + distilled water). In T1 and T3 treatments SW, corresponding to 435 m3 ha-1, was applied, while in T2 and T4 treatments, 421 m3 ha-1 of distilled water was applied. Atrazine leaching tests were conducted for each treatment and the results showed that the application of SW in the soil increased the atrazine leaching in the soil profile, and consequently the risk of contamination of groundwater. Keywords: herbicide, swine slurry, transport.  GONÇALVES, M.S; SAMPAIO, S.C.; SUSZEK, F.L.; COELHO, S.R.M.; GODOI, I.LIXIVIAÇÃO DE ATRAZINA EM SOLO SUBMETIDO À APLICAÇÃO DE ÁGUA RESIDUÁRIA DA SUINOCULTURA 2 RESUMO Neste estudo foram avaliados os efeitos da aplicação de água residuária da suinocultura (ARS) na lixiviação de atrazina. O experimento foi conduzido em laboratório em Cascavel, Paraná, Brasil, onde colunas de solo preenchidas com amostras de Latossolo Vermelho distroférrico, receberam a aplicação de 2,5 kg ha-1 de massa de atrazina e foram incubadas durante sete dias de acordo com os seguintes tratamentos: T1 (Solo estéril + ARS); T2 (Solo estéril + água destilada); T3 (Solo não estéril + ARS) e T4 (Solo não estéril + água destilada). Nos tratamentos T1 e T3 foi adicionada ARS, correspondente a 435 m3 ha-1, e nos tratamentos T2 e T4, foram adicionados 421 m3 ha-1 de água destilada. Foram conduzidos ensaios de lixiviação da atrazina para cada tratamento, e os resultados demonstraram que a aplicação de ARS ao solo proporcionou o aumento da lixiviação de atrazina no perfil do solo, e consequentemente a possibilidade de contaminação de águas subterrâneas. Palavras-chave: herbicida, dejeto suíno, transporte.
Title: ATRAZINE LEACHING IN SOIL SUBMITTED OF SWINE WASTEWATER APPLICATION
Description:
ATRAZINE LEACHING IN SOIL SUBMITTED OF SWINE WASTEWATER APPLICATION  MORGANA SUSZEK GONÇALVES1; SILVIO CÉSAR SAMPAIO2; FLORIANO LUIZ SUSZEK2; SILVIA RENATA MACHADO COELHO2 E ISAMARA GODOI2  1Academic Department of Environmental, Federal University of Technology - Paraná, Campo Mourão, Paraná, Brazil, morgana@utfpr.
edu.
br2Postgraduate Program in Agricultural Engineering, Western Paraná State University, Cascavel, Paraná, Brazil, silvio.
sampaio@unioeste.
br, flsuszek@hotmail.
com, silvia.
coelho@unioeste.
br, isgodoi@gmail.
com  1 ABSTRACT In this study, swine wastewater (SW) effects on atrazine leaching were evaluated.
The experiment was conducted in laboratory in Cascavel, Paraná, Brazil, where soil columns filled with samples of a Rhodic Hapludox soil received the application of 2.
5 kg ha-1 of atrazine mass and were incubated for seven days according to the following treatments: T1 (Sterile soil + SW ), T2 (Sterile soil + distilled water), T3 (Non sterile soil + SW) and T4 (Non sterile soil + distilled water).
In T1 and T3 treatments SW, corresponding to 435 m3 ha-1, was applied, while in T2 and T4 treatments, 421 m3 ha-1 of distilled water was applied.
Atrazine leaching tests were conducted for each treatment and the results showed that the application of SW in the soil increased the atrazine leaching in the soil profile, and consequently the risk of contamination of groundwater.
 Keywords: herbicide, swine slurry, transport.
  GONÇALVES, M.
S; SAMPAIO, S.
C.
; SUSZEK, F.
L.
; COELHO, S.
R.
M.
; GODOI, I.
LIXIVIAÇÃO DE ATRAZINA EM SOLO SUBMETIDO À APLICAÇÃO DE ÁGUA RESIDUÁRIA DA SUINOCULTURA 2 RESUMO Neste estudo foram avaliados os efeitos da aplicação de água residuária da suinocultura (ARS) na lixiviação de atrazina.
O experimento foi conduzido em laboratório em Cascavel, Paraná, Brasil, onde colunas de solo preenchidas com amostras de Latossolo Vermelho distroférrico, receberam a aplicação de 2,5 kg ha-1 de massa de atrazina e foram incubadas durante sete dias de acordo com os seguintes tratamentos: T1 (Solo estéril + ARS); T2 (Solo estéril + água destilada); T3 (Solo não estéril + ARS) e T4 (Solo não estéril + água destilada).
Nos tratamentos T1 e T3 foi adicionada ARS, correspondente a 435 m3 ha-1, e nos tratamentos T2 e T4, foram adicionados 421 m3 ha-1 de água destilada.
Foram conduzidos ensaios de lixiviação da atrazina para cada tratamento, e os resultados demonstraram que a aplicação de ARS ao solo proporcionou o aumento da lixiviação de atrazina no perfil do solo, e consequentemente a possibilidade de contaminação de águas subterrâneas.
 Palavras-chave: herbicida, dejeto suíno, transporte.

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