attributes.tag: collection_date
attributes.value: 2023-08-02
attributes.tag: env_broad_scale
attributes.value: soil [ENVO:00002004]
attributes.tag: sample_title
attributes.value: D (SAMC5220223)
attributes.tag: env_local_scale
attributes.value: agricultural soil [ENVO:00002265]
attributes.tag: ngdc_project_id
attributes.value: PRJCA041246
attributes.tag: depth
attributes.value: 20cm
attributes.tag: elev
attributes.value: 100m
attributes.tag: ngdc_release_date
attributes.value: 2025-06-22
attributes.tag: geo_loc_name
attributes.value: missing: data agreement established pre-2023
attributes.tag: ngdc_sample_id
attributes.value: SAMC5220223
attributes.tag: env_medium
attributes.value: paddy field [ENVO:00000303]
attributes.tag: lat_lon
attributes.value: missing
attributes.tag: sample_name
attributes.value: SAMC5220223_D