| 摘要 |
PURPOSE:To contrive to plant natural plants on the surface of concrete for its greening and advantageously obtain a recreation and relaxation place permitting to walk or lie thereon, by employing a single layered fibrous structure suitable under a specific condition. CONSTITUTION:A single layered plant-growing layer 1, if necessary, integrated with either of a vegetation layer comprising a nonwoven fiber structure, having large air permeability, relatively low fiber density and water retainability and suitable for vegetating plants from seeds and a protecting layer 5 having a proper air permeability, relatively high fiber density and water retainability and a function for rooting, holding roots and protecting the roots, and a drainage layer 2 suitable for excessive rain water and holding a holding force sufficient for supporting all containing the growing layer are superposed on each other. |
