| 摘要 |
PURPOSE: A wood pillar in-ground installation method and members of the wood pillar are provided to improve a survival rate of tree by preventing a phenomenon of transplanted trees swaying by wind. CONSTITUTION: A wood pillar in-ground installation method comprises steps of: standing three ground-rooted trees(34) in a space between a periphery of an earth ball of plants settled in a hole in the ground for planting and an inner wall of the hole in the ground; planting the ground-rooted trees with the plants in the ground by filling the space between the earth ball of the plants and the hole in the ground with soil; connecting outsides of an upper end part of the ground-rooted trees with a wire rope or an iron wire followed by mounting a turnbuckle for tightening; tightening the connected wire rope or the iron wire by using the turnbuckle and forming a truss of a tripod form in the ground; covering with soil so that the upper end part of the ground-rooted trees, the wire rope, the turnbuckle, and the like are not exposed on a surface of the ground after forming the truss of a tripod form.
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