Variables: total_organic_carbon Keywords: land use Substances: Adenosine (OIRDTQYFTABQOQ-UHFFFAOYSA-N) 2-6-Dichlorobenzamide (JHSPCUHPSIUQRB-UHFFFAOYSA-N) 5-Fluoro Cytosine (XRECTZIEBJDKEO-UHFFFAOYSA-N)