{"id":"S85110648","label":"Radioactive tracers in weed control","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85110648","normalized_label":"radioactive tracers in weed control","broader":["http://id.loc.gov/authorities/subjects/sh85145922"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85110648","provider":"lcsh","revision":"c5dbb3a6cc83c6d8","taxonomy_revision":"f050b5d4780b1289","title":"Radioactive tracers in weed control","url":"/topics/S85110648","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10124162607029306884","address_version":"morton4x16-v1","coordinates":[0,20,19133,57344],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}