PROBLEM TO BE SOLVED: To provide a hydroponic plant cultivation device which completely controls intermittent supply of culture solution and irradiation of artificial light to take predetermined timing for them so as to easily obtain desired conditions for cultivating plants to sufficiently enhance the quality and the commercial value of the plants: and to provide a hydroponic plant cultivation method.SOLUTION: The hydroponic plant cultivation device includes: a flow channel array structure to which gutter-like culture solution flow channels each having a gentle flow channel gradient are set up in parallel a culture solution supply mechanism which circularly supplies culture solution to each of the culture solution flow channels a panel where the plants disposed on the respective culture solution flow channels to be cultured are held or housed a light which is set up above the panel to irradiate artificial light to the plants and a timer which switches on/off the culture solution supply mechanism and the light. The hydroponic plant cultivation device switches on/off the culture solution supply mechanism and the light independently by the timer so as to control the supply of the culture solution by the culture solution supply mechanism and the irradiation of the artificial light by the lighting at a predetermined timing to enable intermittent supply of the culture solution.COPYRIGHT: (C)2013,JPO&INPIT【課題】養液の断続供給と人工光の照射に所定のタイミングが得られるように完全制御することにより、所望の植物栽培条件を簡単に得ることができて、植物の品質や商品価値を十分に高めることが可能な水耕用植物栽培装置及び水耕用植物栽培方法を提供する。【解決手段】弱い流路勾配を持ち雨樋状の養液流路が並列状態で配置された流路列構造体と、各養液流路に養液を循環して供給させる養液給水機構と、各養液流路に配置されて栽培する植物が保持もしくは収容されるパネルと、該パネルの上方に配置されて植物に人工光を照射させる照明と、養液給水機構と照明をオンオフさせるタイマと、を備え、養液給水機構と照明をタイマでそれぞれ独立してオンオフさせることにより、養液給水機構による養液の供給と照明による人工光の照射を所定のタイミングで制御し養液を断続供給可能に構成したことを特徴とする。【選択図】 図1
