{"type": {"key": "/type/work"}, "title": "Progress report on mechancial application of fertilizers to cotton in South Carolina 1931", "subjects": ["Soil science", "Soil fertility", "Fertilizers"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL7289408A"}}], "covers": [12714773], "key": "/works/OL27713481W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2022-04-09T06:14:30.470944"}, "last_modified": {"type": "/type/datetime", "value": "2022-04-09T06:14:30.470944"}}