Hydraulic and earth engineering – Drainage or irrigation – Including subsurface moisture barrier
Patent
1992-10-08
1994-05-10
Reese, Randolph A.
Hydraulic and earth engineering
Drainage or irrigation
Including subsurface moisture barrier
405 50, 405 55, E02B 1100
Patent
active
053102800
ABSTRACT:
A subsoil structure for sodded ground comprising a water-retaining layer filling a pan-like cavity, a sand layer covering the water-retaining layer, and a soil-improving layer covering the sand layer and incorporating a soil-improving material which is of a porous structure.
Since the soil-improving layer has a good water-retentivity and the water-retaining layer is provided for retaining or storing water, the number of watering times can be extremely reduced, thereby saving time and labor for watering.
REFERENCES:
patent: 4881846 (1989-11-01), Burkstaller
patent: 4913596 (1990-04-01), Lambert
patent: 4966492 (1990-10-01), Poyda
patent: 5026207 (1991-06-01), Heath
patent: 5074708 (1991-12-01), McCann, Sr.
patent: 5076726 (1991-12-01), Heath
McBee J. Russell
Parumo Kabushiki Kaisha
Reese Randolph A.
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