UNDERGROUND IRRIGATION SYSTEM

PROBLEM TO BE SOLVED: To provide an underground irrigation system which can properly keep a water level of gravitational water in a soil portion without needing a facility such as a water level management unit, and thus can be suitably used to a slope.SOLUTION: The underground irrigation system 10 i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BAI HIDEKI, HIRAO KAZUHIRO, YAMAGUCHI HIDEMI
Format: Patent
Sprache:eng
Schlagworte:
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide an underground irrigation system which can properly keep a water level of gravitational water in a soil portion without needing a facility such as a water level management unit, and thus can be suitably used to a slope.SOLUTION: The underground irrigation system 10 includes a water-stopping member 12 buried in the ground, and water supply members 14, 14a, 14b, and keeps the moisture in the soil in a condition proper for growth of plants by supplying water from under the ground. The water-stopping member 12 is a halved pipe obtained by cutting a corrugated pipe into two along the axial direction, and a plurality of groove portions 20 are formed on the inner surface side of the pipe to be aligned at axial intervals. In the underground irrigation system 10, water from a water supply source 16 is supplied into the groove portions 20 of the water-stopping member 12 through the water supply members 14, 14a, 14b to form soil portions 28 in a gravitational water state within the groove portions 20, and water is supplied therefrom to the soil by capillary action.