| 摘要 |
PROBLEM TO BE SOLVED: To provide a sheet for preventing a soil run-off, and also a soil run-off preventive method using the sheet, by which a surface run-off by a strong rainfall and a strong wind is prevented and a run-off and pollution to a waterway, a river and an ocean are prevented while the initial growth of planted plants is protected in soil such as red clay containing a large quantity of the fine particles of reddish brown. SOLUTION: The sheet is composed of cloth constituted by combination- weaving and knitting sheets, in which natural fibers are interlaced in three dimensions, or articles in which natural fibers are worked in a stringly form. The sheet 10 is 8-20 mm thick, and has density of 0.065-0.094 g/cm3. In the soil run-off preventive method, the slope and/or flatland surface section of soil is covered with the sheet 10 for preventing a soil run-off having the above- mentioned constitution, and fixed by fixtures 20.
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