Application de produits phytosanitaires: mesures de reduction du risqué lié au ruissellement | Plant protection products - mitigating the risk due to surface runoff
2014
Hanke, I. | Poiger, T. | ALdrich, A. P. | Balmer, E., Agroscope Changins-Waedenswil ACW, Waedenswil (Switzerland). Institut fuer Pflanzenbauwissenschaften IPB
Plant protection products (PPP) can betransported from treated fields to surface waters via surface runoff during rain events. Potential risks for aquatic organisms due to surface runoff are assessed during the registration process for PPP, and risk mitigation measures are implemented if necessary. Currently, a vegetated buffer zone of 6 m width may be required as risk mitigation measure for surface runoff. Further options for risk mitigation of surface runoff that can be linked to PPP registration were evaluated at Agroscope on behalf of the Swiss Federal Office for Agriculture. These options should effectively reduce the contamination of surface waters while minimizing impacts on agricultural productivity. The list of mitigation measures resulting from this project offers farmers the possibility to combine those measures that are best suited for their particular situation or those that are already implemented for other reasons (e.g., for erosion control). Besides vegetated buffer zones, these include e.g. conservation tillage, vegetated strips within the field and use of cover crops in orchards and vineyards
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