NDLI: Poluição das águas por herbicidas utilizados no cultivo do arroz irrigado na região central do estado do Rio Grande do Sul, Brasil: predição teórica e monitoramento

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Poluição das águas por herbicidas utilizados no cultivo do arroz irrigado na região central do estado do Rio Grande do Sul, Brasil: predição teórica e monitoramento

Content Provider	Scilit
Author	Primel, Ednei Gilberto Zanella, Renato Kurz, Márcia Helena Scherer Gonçalves, Fábio Ferreira de Oliveira Machado, Sérgio Marchezan, Enio
Copyright Year	2005
Description	This article presents an evaluation of the pollution of river water by herbicides used in the culture of irrigated rice in Rio Grande do Sul State, Brazil. Firstly, a theoretical evaluation was made using the approaches suggested by EPA-USA, the "Groundwater Ubiquity Score" index and the Goss method to estimate the pollution possibilities. Afterwards, a monitoring program was established for the rivers of the area from 2001 to 2003 to investigate the presence of herbicide residues. The results indicate that the herbicides clomazone and propanil are the ones with larger presence and frequency in the analyzed samples. The theoretical forecast was confirmed by the results of the monitoring program
Related Links	http://www.scielo.br/pdf/qn/v28n4/25105.pdf
Ending Page	609
Page Count	5
Starting Page	605
ISSN	01004042
e-ISSN	01004042
DOI	10.1590/s0100-40422005000400010
Journal	Química Nova
Issue Number	4
Volume Number	28
Language	English
Publisher	FapUNIFESP (SciELO)
Publisher Date	2005-08-01
Access Restriction	Open
Subject Keyword	Química Nova Biodiversity Conservation Monitoring Program Rio Grande Grande Do Sul
Content Type	Text
Resource Type	Article
Subject	Chemistry

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