We kindly acknowledge J. Berlekamp and J. Klasmeier for the critical review of our manuscript.
M. Schulz was funded by the BMBF-(German Federal Ministry of Education and Science) project
Marcus Schulz and Michael Matthies, "Runoff of Pesticides:
Achievements and Limitations of Modelling Agrochemical
Dislocation from Non-Point Sources at Various Landscape
Living Rev. Landscape Res., 1 (2007), 1, doi:10.12942/lrlr-2007-1, URL (accessed <date>): http://lrlr.landscapeonline.de/lrlr-2007-1.