| 摘要 |
PROBLEM TO BE SOLVED: To provide a method and a device for laying a mat in soil, which enable the nourishment of the favorable soil, and a mat-like member used for them. SOLUTION: A long hole (2) is automatically formed in the soil along the surface of the soil, and the long mat-like member (42 and 68) is automatically laid in the soil along the surface of the soil. In that case, the member (42 and 68) is laid in the upper position of the hole (2) in the soil.
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