| 摘要 |
PURPOSE: A hydroponic culture system using a buoyancy plate is provided to always locate roots of plants under water without a separate water source. CONSTITUTION: A hydroponic culture system using a buoyancy plate comprises the following: a culturing tank(10) for storing culturing water(1), having an opening on the upper side; the buoyancy plate (20) including plural through-holes(21), and floating on the surface of the culturing water by the buoyancy; an absorption body(40) filling each through-hole for absorbing the culturing water, and supporting roots of a plant(30); a stopping protrusion(11) formed on the inner wall surface of the culturing tank for hanging the edges of the buoyancy plate in the predetermined height from the bottom surface(12) of the culturing tank by the reduction of the culturing water; an alarm generating an alarming sound when the buoyancy plate is mounted on the stopping protrusion; a drain hole(13) formed on the wall surface of the culturing tank; and a cap(14) opening and closing the drain hole. |
