PROBLEM TO BE SOLVED: To provide a plant cultivation device that uniformly irradiates growing plants with light.SOLUTION: A plant cultivation device (1) has an optical path adjustment member (22) that is disposed between a light source (14a) and a plant (7a) and diffuses light from the light source (14a), and a support part (21) that supports the optical path adjustment member (22) so that distance between the optical path adjustment member (22) and the plant (7a) can be adjusted.COPYRIGHT: (C)2016,JPO&INPIT【課題】生育する植物に均一に光を照射する植物栽培装置を提供する。【解決手段】植物栽培装置(1)は、光源(14a)と植物(7a)との間に配された、光源(14a)からの光を拡散する光路調整部材(22)と、植物(7a)との距離を調整可能に光路調整部材(22)を支持する支持部(21)とを備えている。【選択図】図1
