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Registro Completo |
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
04/08/1999 |
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Data da última atualização: |
12/12/2019 |
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Autoria: |
CERDEIRA, A. L.; GOMES, M. A. F.; QUEIROZ, R. C.; BONATO, P. S.; FERRACINI, V. L.; LANCHOTE, V. L. |
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Afiliação: |
ANTONIO LUIZ CERDEIRA, CNPMA; MARCO ANTONIO FERREIRA GOMES, CNPMA; VERA LUCIA FERRACINI, CNPMA. |
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Título: |
Herbicide and nitrate residues in surface and groundwater from sugarcane area in Brazil. |
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Ano de publicação: |
1999 |
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Fonte/Imprenta: |
Bolletino Chimico Farmaceutico, v.138, n.2, p.131, 1999. |
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Idioma: |
Inglês |
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Conteúdo: |
Various studies have demonstrated the presence at high levels of pesticides and nitrate in soil, surface, and groundwater. Prior studies have identified a watershed area in Brazil with a high risk of soil, surface, and groundwater contamination by pesticides at the region of Riberao Preto, SP. Surface and groundwater were collected at the area during the period of October 1995 to November 1998. By means of gas chromatography-mass spectrometry (GC-MS) technique the herbicides tebuthiuron, diuron, simazine, atrazine, and ametryne, and nitrate were analyzed according to the protocols established in literature. The recovery obtained in the extraction procedure was higher than 95% for all herbicides except simazine for which the recovery was 85,6%. Due to the enrichment in the extraction procedure and the sensitive detection at two wavelengths it was possible to obtain a quantification limit of 0.02 ug/L for the herbicides studied. The method was linear over the range of 0.02 to 2.0 ug/L. Soil data showed a higher level of the herbicide tebuthiuron, at the levels of 59.6 ppb; than the other applied during all the months. The results have shown the hercicide tebuthiuron as the one with higher concentrations in groundwater and in January of 1996 the concentration found was 0.08 ug/L, close to the maximum allowed, 0.1 ug/L, but this fact was not consistent during the other months. No residue of the other herbicides was detected. In case of nitrates, with maximum level allowed of 10 mg/L, it was found the maximum of 0.9 mg/l, but in a shallow well inside the area. Commercial wells at the edge of the watershed showed low levels of nitrate, below the risk level, but with potential for dangerous contamination. MenosVarious studies have demonstrated the presence at high levels of pesticides and nitrate in soil, surface, and groundwater. Prior studies have identified a watershed area in Brazil with a high risk of soil, surface, and groundwater contamination by pesticides at the region of Riberao Preto, SP. Surface and groundwater were collected at the area during the period of October 1995 to November 1998. By means of gas chromatography-mass spectrometry (GC-MS) technique the herbicides tebuthiuron, diuron, simazine, atrazine, and ametryne, and nitrate were analyzed according to the protocols established in literature. The recovery obtained in the extraction procedure was higher than 95% for all herbicides except simazine for which the recovery was 85,6%. Due to the enrichment in the extraction procedure and the sensitive detection at two wavelengths it was possible to obtain a quantification limit of 0.02 ug/L for the herbicides studied. The method was linear over the range of 0.02 to 2.0 ug/L. Soil data showed a higher level of the herbicide tebuthiuron, at the levels of 59.6 ppb; than the other applied during all the months. The results have shown the hercicide tebuthiuron as the one with higher concentrations in groundwater and in January of 1996 the concentration found was 0.08 ug/L, close to the maximum allowed, 0.1 ug/L, but this fact was not consistent during the other months. No residue of the other herbicides was detected. In case of nitrates, with maximum level allowed of 10 ... Mostrar Tudo |
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Palavras-Chave: |
Herbicidas; Herbicide; Nitrate; Nitrato de resíduos. |
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Thesaurus Nal: |
sugarcane. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/199623/1/Cerdeira-Herbicide.pdf
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Marc: |
LEADER 02418naa a2200241 a 4500
001 1013142
005 2019-12-12
008 1999 bl uuuu u00u1 u #d
100 1 $aCERDEIRA, A. L.
245 $aHerbicide and nitrate residues in surface and groundwater from sugarcane area in Brazil.$h[electronic resource]
260 $c1999
520 $aVarious studies have demonstrated the presence at high levels of pesticides and nitrate in soil, surface, and groundwater. Prior studies have identified a watershed area in Brazil with a high risk of soil, surface, and groundwater contamination by pesticides at the region of Riberao Preto, SP. Surface and groundwater were collected at the area during the period of October 1995 to November 1998. By means of gas chromatography-mass spectrometry (GC-MS) technique the herbicides tebuthiuron, diuron, simazine, atrazine, and ametryne, and nitrate were analyzed according to the protocols established in literature. The recovery obtained in the extraction procedure was higher than 95% for all herbicides except simazine for which the recovery was 85,6%. Due to the enrichment in the extraction procedure and the sensitive detection at two wavelengths it was possible to obtain a quantification limit of 0.02 ug/L for the herbicides studied. The method was linear over the range of 0.02 to 2.0 ug/L. Soil data showed a higher level of the herbicide tebuthiuron, at the levels of 59.6 ppb; than the other applied during all the months. The results have shown the hercicide tebuthiuron as the one with higher concentrations in groundwater and in January of 1996 the concentration found was 0.08 ug/L, close to the maximum allowed, 0.1 ug/L, but this fact was not consistent during the other months. No residue of the other herbicides was detected. In case of nitrates, with maximum level allowed of 10 mg/L, it was found the maximum of 0.9 mg/l, but in a shallow well inside the area. Commercial wells at the edge of the watershed showed low levels of nitrate, below the risk level, but with potential for dangerous contamination.
650 $asugarcane
653 $aHerbicidas
653 $aHerbicide
653 $aNitrate
653 $aNitrato de resíduos
700 1 $aGOMES, M. A. F.
700 1 $aQUEIROZ, R. C.
700 1 $aBONATO, P. S.
700 1 $aFERRACINI, V. L.
700 1 $aLANCHOTE, V. L.
773 $tBolletino Chimico Farmaceutico$gv.138, n.2, p.131, 1999.
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Registro original: |
Embrapa Meio Ambiente (CNPMA) |
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Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
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Registro Completo
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
24/08/2022 |
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Data da última atualização: |
24/08/2022 |
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Tipo da produção científica: |
Circular Técnica |
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Autoria: |
GODOY, C. V.; UTIAMADA, C. M.; MEYER, M. C.; CAMPOS, H. D.; LOPES, I. de O. N.; SCHIPANSKI, C. A.; JACCOUD FILHO, D. de S.; CHAGAS, D. F.; GALDINO, J. V.; NAVARINI, L.; SATO, L. N.; SENGER, M.; DEBORTOLI, M. P.; MARTINS, M. C.; TORMEN, N. R.; VENANCIO, W. S. |
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Afiliação: |
CLAUDIA VIEIRA GODOY, CNPSO; ENGENHEIRO-AGRÔNOMO, TAGRO, LONDRINA, PR; MAURICIO CONRADO MEYER, CNPSO; ENGENHEIRO-AGRÔNOMO, DOUTOR, UNIRV, RIO VERDE, GO; IVANI DE OLIVEIRA NEGRAO LOPES, CNPSO; ENGENHEIRO-AGRÔNOMO, MESTRE, G12 AGRO, GUARAPUAVA, PR; BIÓLOGO, ENGENHEIRO-AGRÔNOMO, PH.D., UNIVERSIDADE ESTADUAL DE PONTA GROSSA, PONTA GROSSA, PR; ENGENHEIRA-AGRÔNOMA, G12 AGRO, GUARAPUAVA, PR; ENGENHEIRA-AGRÔNOMA, MESTRE, 3M EXPERIMENTAÇÃO AGRÍCOLA, PONTA GROSSA, PR; ENGENHEIRO-AGRÔNOMO, DOUTOR, PLANTA CONHECIMENTO/HA, PASSO FUNDO, RS; ENGENHEIROAGRÔNOMO, TAGRO, LONDRINA, PR; ENGENHEIRA-AGRÔNOMA, DOUTORA, 3M EXPERIMENTAÇÃO AGRÍCOLA, PONTA GROSSA, PR; ENGENHEIRA-AGRÔNOMA, DOUTORA, INSTITUTO PHYTUS, SANTA MARIA, RS; ENGENHEIRA-AGRÔNOMA, DOUTORA, CÍRCULO VERDE ASSESSORIA AGRONÔMICA E PESQUISA, LUÍS EDUARDO MAGALHÃES, BA; ENGENHEIRO-AGRÔNOMO, DOUTOR, INSTITUTO PHYTUS, PLANALTINA, DF; ENGENHEIRO-AGRÔNOMO, DOUTOR, CWR PESQUISA AGRÍCOLA LTDA. |
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Título: |
Eficiência de fungicidas para o controle do oídio, na safra 2021/2022: Resultados sumarizados dos ensaios cooperativos. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Londrina: Embrapa Soja, 2022. |
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Páginas: |
9 p. |
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Série: |
(Embrapa Soja. Circular técnica, 184). |
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Idioma: |
Português |
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Thesagro: |
Fungicida; Oídio; Soja. |
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Thesaurus NAL: |
Fungicides; Soybeans. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1145700/1/Circ-Tec-184.pdf
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Marc: |
LEADER 01027nam a2200361 a 4500
001 2145700
005 2022-08-24
008 2022 bl uuuu u0uu1 u #d
100 1 $aGODOY, C. V.
245 $aEficiência de fungicidas para o controle do oídio, na safra 2021/2022$bResultados sumarizados dos ensaios cooperativos.$h[electronic resource]
260 $aLondrina: Embrapa Soja$c2022
300 $a9 p.
490 $a(Embrapa Soja. Circular técnica, 184).
650 $aFungicides
650 $aSoybeans
650 $aFungicida
650 $aOídio
650 $aSoja
700 1 $aUTIAMADA, C. M.
700 1 $aMEYER, M. C.
700 1 $aCAMPOS, H. D.
700 1 $aLOPES, I. de O. N.
700 1 $aSCHIPANSKI, C. A.
700 1 $aJACCOUD FILHO, D. de S.
700 1 $aCHAGAS, D. F.
700 1 $aGALDINO, J. V.
700 1 $aNAVARINI, L.
700 1 $aSATO, L. N.
700 1 $aSENGER, M.
700 1 $aDEBORTOLI, M. P.
700 1 $aMARTINS, M. C.
700 1 $aTORMEN, N. R.
700 1 $aVENANCIO, W. S.
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Registro original: |
Embrapa Soja (CNPSO) |
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