# Corn--Effect of atmospheric ozone on { "id": "S97003816", "title": "Corn--Effect of atmospheric ozone on", "url": "/topics/S97003816", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "5b516221bc4d8471", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "9277415233461290530", "address_version": "morton4x16-v1", "coordinates": [ 0, 23, 8356, 40960 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh97003816 No owner-reviewed local answer yet.