Substances: 2-4-D (InChiKey = OVSKIKFHRZPJSS-UHFFFAOYSA-N) 6PPD-quinone (InChiKey = UBMGKRIXKUIXFQ-UHFFFAOYSA-N) Atrazine (InChiKey = MXWJVTOOROXGIU-UHFFFAOYSA-N) Keywords: dynamics Variables: waterlevel