| 摘要 |
1507267 Method of constructing lawns H A HOHENSCHLAGER 5 Aug 1976 [7 Aug 1975] 32616/76 Heading A1B A method of constructing a lawn comprises: (a) cutting deep channels 2 in a substrate 1 and filling them with particulate material to form a base layer including water-permeable beds; (b) applying a layer of top soil 4; (c) intermixing the top layer 4 with the base layer by means of a soil-loosening implement;- (d) cutting shallow channels 5 transversely of the channels 2 and filling them, e.g. with gravel Grass seed is then sown in the top layer 4. In the case of highly co-hesive soils step (d) is performed prior to step (b). Drainage pipes 3 may be used in the channel 2. |
