PROBLEM TO BE SOLVED: To feed nutritious liquid having a high concentration of dissolved oxygen to plants by a simple configuration.SOLUTION: A nutritious liquid feeding device comprises: a nutritious liquid spraying part (6) which atomizes and sprays nutritious liquid and a water-permeable member (7) which is disposed at least on a side of plants (p) opposed to the nutritious liquid spraying part (6), and the feeding device sprays nutritious liquid from the nutritious liquid spraying part (6) to the water-permeable member (7), and feeds nutritious liquid having passed the water-permeable member (7) to the plants (p).SELECTED DRAWING: Figure 2COPYRIGHT: (C)2016,JPO&INPIT【課題】植物に簡単な構成で溶存酸素濃度の高い養液を供給する。【解決手段】養液を霧化噴射する養液噴射部(6)と、植物(p)における少なくとも養液噴射部(6)との対向面側に配置された透水性部材(7)とを備え、養液噴射部(6)から透水性部材(7)に養液を噴射し、透水性部材(7)を通過した養液を植物(p)に供給する。【選択図】図2