{"id":"S85092075","label":"Nitrogen fertilizers--Control","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85092075","normalized_label":"nitrogen fertilizers--control","broader":[],"aliases":["Control of nitrogen fertilizer use","Restricted use of nitrogen fertilizers"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85092075","provider":"lcsh","revision":"9009b31691e7b1d6","taxonomy_revision":"f050b5d4780b1289","title":"Nitrogen fertilizers--Control","url":"/topics/S85092075","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9547851130605027908","address_version":"morton4x16-v1","coordinates":[0,20,18843,44032],"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}