Hydraulic and earth engineering – Drainage or irrigation
Patent
1993-08-30
1995-01-24
Taylor, Dennis L.
Hydraulic and earth engineering
Drainage or irrigation
52DIG9, 405 16, 405 21, 405258, E02B 1300
Patent
active
053837444
ABSTRACT:
An underground agricultural irrigation system in which annular semi-cylindrical or concave-convex water reservoirs, formed by splitting used or abandoned vehicle tire casings in half, are buried concave side up at appropriate subsurface depths to trap and retain moisture used to nurture overgrowing plant roots. In a modified version concave moisture retaining caps are mounted over the open centers of each reservoir to increase moisture retention capacity.
REFERENCES:
patent: 774988 (1904-11-01), Maurer
patent: 1439973 (1922-12-01), Olson
patent: 2105800 (1938-01-01), Watkins
patent: 4986699 (1991-01-01), Bohnhoff
patent: 5267662 (1993-12-01), Hayes
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