collection_date
not applicable
depth
0-35cm
elev
440m
env_broad_scale
not applicable
env_local_scale
cropland
env_medium
soil
geo_loc_name
China
lat_lon
39.98 N 115.73 E
BioSampleModel
MIMARKS.survey
BioSampleModel
MIGS/MIMS/MIMARKS.soil