| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a ridge sheet capable of decreasing workload of an operator and preventing water leak from the ridge. <P>SOLUTION: There is provided a sheet 1 for covering a slope 12 of a ridge 11 of a paddy field 10, having waterproofness and comprising a beltlike sheet body 2 positioned along the longitudinal direction of the slope 12, and a float part 3 set at the one end 2a side in the width direction of the sheet body 2 and floatable on a water surface W of the paddy field 10. The other end 2b side in the width direction of the sheet body 2 is buried in a soil S of the lower side of the slope 12 to be fixed. The float 3 surfaces on the water surface W of the paddy field 10 so that the one end 2a side of the sheet body 2 is raised to the water surface W side. The sheet body 2 is pushed with water pressure to the slope 12 to cover the slope 12. <P>COPYRIGHT: (C)2012,JPO&INPIT |
