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dc.contributor.authorCORREIA, N. M.
dc.contributor.authorCARBONARI, C. A.
dc.contributor.authorVELINI, E. D.
dc.date.accessioned2020-12-10T09:04:20Z-
dc.date.available2020-12-10T09:04:20Z-
dc.date.created2020-12-08
dc.date.issued2020
dc.identifier.citationJournal of Environmental Science and Health, v. 55, n. 6, 2020.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1127867-
dc.descriptionThe objective of this study was to identify and quantify herbicide residues in water samples of rain, cisterns, streams, ponds, springs, semi-artesian wells, dams and a river in the Rio Samambaia sub-basin in the Federal District and eastern Goiás. A total of 287 samples were collected from 20 farms in the sub-basin in the rainy (February, summer) and dry (August, winter) seasons in 2016. Aminomethylphosphonic acid (AMPA, a glyphosate metabolite), clethodim, chlorimuron-ethyl, diuron, fluazifop acid (a fluazifop-p-butyl metabolite and the active ingredient), haloxyfop acid (a haloxyfop-methyl metabolite and the active ingredient), imazamox, mesotrione, metsulfuron, nicosulfuron and pendimethalin were not identified in any water sample. In the rainy season, approximately 99% of the samples contained residues at least one of the evaluated herbicides; in the dry season (, 100% of the samples contained residues of at least one of the evaluated herbicides. When considering only detection frequency, metribuzin, atrazine, clomazone and haloxyfop-methyl were the main herbicides found in the water of the Samambaia River sub-basin. In turn, based on levels higher than the limit of quantification, the main compounds detected were atrazine, clomazone, haloxyfop-methyl and glyphosate. In both seasons, the highest relative concentrations of herbicides for the rainy and dry seasons were found in spring water, 25% and 56%, respectively, and dam water, 23% and 16%, respectively.
dc.language.isopor
dc.rightsopenAccesspt_BR
dc.titleDetection of herbicides in water bodies of the Samambaia River sub-basin in the Federal District and eastern Goiás.
dc.typeArtigo de periódico
dc.subject.thesagroHerbicida
dc.subject.thesagroContaminação
dc.subject.thesagroRecurso Hídrico
dc.subject.thesagroÁgua
dc.subject.thesagroCisterna
dc.format.extent28 p.
riaa.ainfo.id1127867
riaa.ainfo.lastupdate2020-12-08
dc.contributor.institutionNUBIA MARIA CORREIA, CPAC.
Aparece en las colecciones:Artigo em periódico indexado (CPAC)

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