code|description
--|Unspecified
ASH|Ash free dry mass
C|Carbon
C:N|Carbon to nitrogen ratio
CPOM|Carbon particulate organic matter
Cox|Oxidized carbon
DOC|Dissolved organic carbon
HUM|Humus
LOI|Loss on ignition
N|Nitrogen
NR|Not reported
OC|Organic carbon
OM|Organic matter
POC|Particulate organic carbon
POM|Particulate organic matter
TOC|Total organic carbon
peat|Peat
