Riparian buffer zones as pesticide filters of no-till crops
作者： Terencio R. Aguiar , F. R. Bortolozo , F. A. Hansel , K. Rasera , M. T. Ferreira
DOI: 10.1007/S11356-015-4281-5
关键词:
摘要: Several studies have pointed to the potential benefits of riparian vegetation as buffer zones for agricultural and industrial pollutants harmful aquatic ecosystems. However, other called into question its use an ecological filter, questioning widths conditions which they are effective a filter. In this work, we investigated buffering capacity one retain pesticides in water-saturated zone, on 27 sites composed by with different structure (woody, shrubs, or grass vegetation) width (12, 36, 60 m). Five were analyzed. The effectiveness filtering was largely influenced type zone. general, decreasing pesticide removal followed order wood > shrubs grass. m woody zone most all pesticides. Only atrazine detected case (0.3 μg L−1). Furthermore, linear correlation (R2 0.97) observed their compounds studied. Thus, preserving is important watershed management groundwater quality no-tillage system temperate climate.
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