{"id":"S2006002436","label":"Nitrogen fertilizer industry","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2006002436","normalized_label":"nitrogen fertilizer industry","broader":["http://id.loc.gov/authorities/subjects/sh85047914"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2006002436","provider":"lcsh","revision":"2688913bc56054b3","taxonomy_revision":"f050b5d4780b1289","title":"Nitrogen fertilizer industry","url":"/topics/S2006002436","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"290486584250361376","address_version":"morton4x16-v1","coordinates":[0,478,17580,4096],"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}