| 摘要 |
PROBLEM TO BE SOLVED: To provide a hydroponic panel which is easily cleanable, sanitary without producing white powder on its surface, and capable of prolonging the usable period thereof, which prevents light from hitting culture fluid and from generating algae, and a plurality of which can be easily moved at one time.SOLUTION: A hydroponic panel has a flange portion 12 formed in a manner that an upper sheet 21 and a lower sheet 31 are adhered and sealed to each other on their peripheral edges, and also has a recess 33 formed in a manner that the lower sheet 31 is bent downward and the inside thereof is recessed to be protruded downward at a part surrounded by the flange portion 12. The hydroponic panel includes a bonded body of a quadrangle in plain view having a hollow between the upper sheet 21 and the lower sheet 31 in the recess 33, and a plurality of planting hole parts 13 are formed cylindrically in such a manner that the planting hole parts 13 pass through vertically in the hollow surrounded by the flange portion 12 on the peripheral edges. |
