Pesticide Risk Mitigation by Vegetated Treatment Systems: A Meta-Analysis Image Date Issued 2011 Author Stehle, Sebastian Elsaesser, David Gregoire, Caroline Imfeld, Gwenaƫl Niehaus, Engelbert Passeport, Elodie Payraudeau, Sylvain Schafer, Ralf B. Tournebize, Julien Schulz, Ralf Main Topic Surface Water Water Conveyance & Hydraulics Water Economics