{"type": {"key": "/type/work"}, "title": "Vegetative propagation of the black walnut, with special reference to the factors influencing callus formation and union in grafting", "subjects": ["Eastern black walnut", "Propagation"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL14939733A"}}], "key": "/works/OL42236799W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2024-12-17T02:14:39.198242"}, "last_modified": {"type": "/type/datetime", "value": "2024-12-17T02:14:39.198242"}}