| 摘要 |
PROBLEM TO BE SOLVED: To obtain the subject tunnel form mulching tool that is easy and simple to set and handle with easy crop control and the like and is suitable to a small scale of farm by laying a specific green material to the ground. SOLUTION: Edging materials made of a self-standing rigid bar 1 in a shape of circular arc, square bracket, or any shape that can be manually formed are laid on the ground along both edges of almost rectangular flexible sheet 2. In addition, the ground insertion part 11 made of the rigid bar is additionally set or formed to be set thereto at the bottom edge of the edging 1. In this case, tubular insertion parts are formed on both end edges of the flexible sheet 2 and the edgings 1 of rigid bars are inserted into the insertion tubes.
|
