| 摘要 |
PROBLEM TO BE SOLVED: To provide a greening unit with a return mechanism and its construction method providing fixing with high adhesion affecting the percentage of plants rootage by just installing and replanting in an artificial structure, a waterside, and water by incorporating a fixing tool in itself. SOLUTION: A plurality of funnel-shaped rods or spatulas, namely, those inverse-conically expanding upward are installed in a stereotype pot or box vessel, and a plant suited to the environment in an installation place is cultured and grown to some extent in culture medium materials formed by putting compost therein. A fitting hole having the same shape as the invention is bored in the surface to be replanted and this invention is inserted therein. The fixing tool is inserted therein with its contracted state and elasticity expanding outward acts thereto so that it is closely fixed therein.
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