{"id":"S85063484","label":"Hydroponics","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85063484","normalized_label":"hydroponics","broader":["http://id.loc.gov/authorities/subjects/sh85062204","http://id.loc.gov/authorities/subjects/sh85102868"],"aliases":["Agriculture, Soilless","Chemiculture","Dirtless farming","Gardening without soil","Nutriculture gardening","Plant chemiculture","Plants--Soilless culture","Soilless agriculture","Soilless culture","Water farming"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85063484","provider":"lcsh","revision":"d6f4131dc3fddd57","taxonomy_revision":"f050b5d4780b1289","title":"Hydroponics","url":"/topics/S85063484","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10126348453388109312","address_version":"morton4x16-v1","coordinates":[0,20,18396,61440],"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}