PROBLEM TO BE SOLVED: To provide hydroponics facilities using ozone water, making plants hardly be damaged, enabling sterilization of nutrient solution with ozone, and reducing change in the component of the nutrient solution in sterilization of the nutrient solution with the ozone: and to provide a hydroponics method.SOLUTION: The hydroponics facilities 100 are provided with a cultivation bed 1 on which the plant is placed, a nutrient solution tank 2 which reserves the nutrient solution to be supplied to the cultivation bed 1, an electrolytic type ozone water generation device 3 with which ozone water in a prescribed concentration is generated from raw water to supply the generated ozone water to at least either of the nutrient solution tank 2 or the cultivation bed 1.COPYRIGHT: (C)2009,JPO&INPIT【課題】植物がオゾンガスによる障害を受けにくく、かつオゾンによる養液の殺菌が可能であって、さらにオゾンによる養液殺菌において養液組成の変化が少なくなるようなオゾン水を用いた養液栽培設備および養液栽培方法を提供すること。【解決手段】植物が配置される栽培ベッド1と、栽培ベッド1に供給する養液を貯留する養液タンク2と、原水から所定濃度のオゾン水を生成し、生成した当該オゾン水を養液タンク2および栽培ベッド1のうちの少なくともいずれか一方に供給する電解型オゾン水生成装置3と、を備える養液栽培設備100。【選択図】図1
