attributes.tag: collection_date
attributes.value: 2022-06-09
attributes.tag: env_broad_scale
attributes.value: soil
attributes.tag: sample_title
attributes.value: ACRS9 (SAMC4331140)
attributes.tag: env_local_scale
attributes.value: Agricultural
attributes.tag: ngdc_project_id
attributes.value: PRJCA032105
attributes.tag: depth
attributes.value: 20cm
attributes.tag: elev
attributes.value: 4m
attributes.tag: ngdc_release_date
attributes.value: 2025-10-16
attributes.tag: geo_loc_name
attributes.value: missing: data agreement established pre-2023
attributes.tag: ngdc_sample_id
attributes.value: SAMC4331140
attributes.tag: env_medium
attributes.value: Agricultural
attributes.tag: lat_lon
attributes.value: missing
attributes.tag: sample_name
attributes.value: SAMC4331140_ACRS9