PROBLEM TO BE SOLVED: To provide a cultivation device comprising a hydroponics cultivation device light in weight, easily constructed, inexpensive and facilitating cultivation control work or harvesting work. SOLUTION: The hydroponics cultivation device has the following structure: a solution culture bed 21 is placed on an elevated trestle 20 comprising a plurality of supports 20a and reinforcing slanted supporting materials 20b, 20c; right and left supports 20a are set to stand at prescribed intervals in a longitudinal direction of the elevated trestle 20; the reinforcing slanted supporting material 20b is fixed between the right and left supports 20a; and a portion fixedly provided with the reinforcing slanted supporting material 20c, and a portion not provided with the reinforcing slanted supporting material 20c are formed between the supports 20a set in a standing posture in a longitudinal direction of the elevated trestle 20 at predetermined intervals. COPYRIGHT: (C)2008,JPO&INPIT
