{"id":"S85110643","label":"Radioactive tracers in plant nutrition","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85110643","normalized_label":"radioactive tracers in plant nutrition","broader":["http://id.loc.gov/authorities/subjects/sh85102868"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85110643","provider":"lcsh","revision":"f856c2dac303d300","taxonomy_revision":"f050b5d4780b1289","title":"Radioactive tracers in plant nutrition","url":"/topics/S85110643","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10088283343591720452","address_version":"morton4x16-v1","coordinates":[0,20,19133,52224],"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}