Occurrence of agrochemicals in surface waters of shallow soils and steep slopes cropped to tobacco
Tobacco cultivation in shallow soils and steep landscape under intense use of agrochemicals contributes to environment degradation. In this study, we assessed the concentration of agrochemicals in draw wells used for human consumption and a creek in a small catchment predominantly cropped to tobacco...
| Autores: | , , , , |
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| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2013 |
| País: | Brasil |
| Institución: | Universidade do Estado de Santa Catarina (UDESC) |
| Repositorio: | Repositório Institucional da Udesc |
| Idioma: | inglés |
| OAI Identifier: | oai:repositorio.udesc.br:UDESC/8785 |
| Acceso en línea: | https://repositorio.udesc.br/handle/UDESC/8785 |
| Access Level: | acceso abierto |
| Sumario: | Tobacco cultivation in shallow soils and steep landscape under intense use of agrochemicals contributes to environment degradation. In this study, we assessed the concentration of agrochemicals in draw wells used for human consumption and a creek in a small catchment predominantly cropped to tobacco. Chlorpyrifos, flumetralin, and iprodione were determined by gas chromatography with electron capture detection, while imidalcloprid, atrazine, simazine, and clomazone were quantified by high-performance liquid chromatography with UV detection. Considering all sampling sites, all agrochemicals were detected at least once, except for flumetralin. The occurrence of agrochemicals in tobacco crops is a consequence of their fast transfer to surface water. |
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