| 简介 |
PROBLEM TO BE SOLVED : To prevent denudation by improving the growing environment of a lawn while sufficiently securing the strength and support force of a lawn protective material.
SOLUTION : A lawn protective material 1 is formed by assembling a plurality of upper beams 1y made of resin and a plurality of lower beams 1x made of resin into a parallel cross structure such that the upper ends of the lower beams 1x are lower than the upper ends of the upper beams 1y and that the lower ends of the upper beams 1y are higher than the lower ends of the lower beams 1x. Mutual spaces between the upper beams 1y and mutual spaces between the lower beams 1x are therefore used as spaces for supplying soil S. Moreover, the mutual spaces between the upper beams 1y higher than the upper ends of the lower beams 1x are used as spaces for laying lawn sods L, and the mutual spaces between the lower beams 1x lower than the lower ends of the upper beams 1y are used as spaces allowing the lawn roots to extend in the length direction of the lower beams 1x.
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