{"id":"S85018783","label":"Calcium fertilizers","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85018783","normalized_label":"calcium fertilizers","broader":["http://id.loc.gov/authorities/subjects/sh85047919"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85018783","provider":"lcsh","revision":"272bee8b6ed3c727","taxonomy_revision":"f050b5d4780b1289","title":"Calcium fertilizers","url":"/topics/S85018783","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"903125674099868224","address_version":"morton4x16-v1","coordinates":[0,20,17698,31744],"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}