| 摘要 |
An object of the invention is to uniformly grow plants in hydroponics and facilitate operations of workers. As a mesure for attaining the above object, beds (1A, 1B) for hydroponics are vertically movable, and the bed (1A) on a sunshine side is made lower than the bed (1B) on an opposite side to the sunshine side so that the bed (1A) on the sunshine side does not interfere with sunshine for the bed (1B) on the opposite side. In addition, vertical positions of the beds (1A, 1B) are adjusted to fit to a height of a worker. |
