| 摘要 |
PROBLEM TO BE SOLVED: To prevent a tree from falling down without using a strut, etc. and thickening a banking layer in a greening method and a tree growing apparatus for planting a tree in a face on which concrete is placed on a roof or a veranda. SOLUTION: A frame-like angle body 10 and a hook-like angle body 20 are stood on a concrete placed face 1 and a gap part is formed between frame rising parts of both the angle bodies. An outer wall material 33 is inserted into the gap part and fixed to constitute a main body 2 of the tree growing apparatus and the inner space part between the frame-like angle body and the hook-like angle body is packed with a water quality clarification material and/or a water retaining material. A tree G for planting treated so as to form a root wound part Ga, an anchor pin and a stationary auxiliary tool 42 are prepared. The root wound part is buried in an outer wall body 30, the anchor pin is engaged with a seizing member, the root wound part is retained and fixed to the hook-like angle body, mixed soil is thrown into the outer wall body, the root wound part is buried and the tree is planted in an integrally retained and fixed state of the hook-like angle body and the outer wall body.
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