| 摘要 |
PROBLEM TO BE SOLVED: To enable the maintenance in the growth of thin roots and simultaneously the control in the generation of looping and the growth of branch leaves. SOLUTION: This hedge unit characterized by transplanting a plant N in a root ball member 3 and thickly growing the branch leaves Na of the plant in a thick board-like state, or arranging and planting plural plants N in a root ball member 3, thickly growing the branch leaves Na of the plants in the plant- arranged direction, covering the root ball portion 3 with a root-penetrable cover material 4, and then cutting roots Nb projected from the cover material 4.
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