To improve a town amenity function, by spreading a natural lawn on the top of an artificial bed soil of a specific structure, pouring water to the bottom of the artificial bed soil and greening an artificial ground lawn which comprises a lightweight bed soil resist to stepping pressure, is readily executed and can be efficiently watered.
A water-barrier sheet 2 is laid so that water flows on an artificial ground 1 to make a bed face. An artificial bed soil 6 comprising a plant growing mat 3 which is a plastic crimped fiber mat containing ≥40wt.% of thermally fusible conjugate fibers having 100-5,000d/f fineness having crimp and have contact points of mutual fibers fixed by the fusing of the thermally fusible conjugate fibers, having 0.02-0.15g/cm3 density and 1-15cm thickness and a culture soil 4 such as perlite in a granular or short fiber form is spread on the bed face. A natural lawn 5 is applied to or lawn grass seeds are sowed in the top of the artificial bed soil 6 and water is poured to the bottom part of the artificial bed soil 6 to green the artificial ground lawn.
YAMANAKA AKIRA
YABUUCHI YASUHIRO
SAITO KIYOSHI
CHIBA PREFECTURE