UNDERGROUND IRRIGATION SYSTEM

摘要

PURPOSE: An underground irrigation system is provided to prevent clogging of discharge hole by a root and to prevent root overcrowding. CONSTITUTION: An underground irrigation system comprises a plurality of hoses(2) having discharge hole(1) in a regular interval. A first water diffusion layer(3) is formed at the hose circumference. A mat(7) is arranged at the upper and lower portions of the hoses. The mat comprises an upper water-retaining layer(5) and lower water-retaining layer(4). A sealing line(6) is placed between the upper water-retaining layer and lower water-retaining layer.