Variables: dissolved_organic_carbon Substances: Acibenzolar-S-methyl (UELITFHSCLAHKR-UHFFFAOYSA-N) 5-Fluoro Cytosine (XRECTZIEBJDKEO-UHFFFAOYSA-N) Acetochlor (VTNQPKFIQCLBDU-UHFFFAOYSA-N)