The present invention as well as to maintain good hygiene hydroponics panel surface to provide a panel for hydroponics with sufficient light-shielding property . A in polystyrene-based resin foam plate , and a hydroponic cultivation for panel 1 having a Ue-zukeana 3 , the polystyrene-based resin foam plate , a white -based extruded polystyrene resin foam plate 21 , having a light-shielding property is a laminate of a colored extruded polystyrene resin foam plate 22 , the entire thickness of 15~35mm, apparent density 0.03~0.1g / cm 3 Is characterized in that it is . [ Selection Figure Figure 1【課題】水耕栽培用パネル表面の衛生状態を良好に維持するとともに、十分な遮光性を有する水耕栽培用パネルを提供する。【解決手段】ポリスチレン系樹脂発泡板において、植付孔3を有する水耕栽培用パネル1であって、該ポリスチレン系樹脂発泡板が、白色系ポリスチレン系樹脂押出発泡板21と、遮光性を有する着色ポリスチレン系樹脂押出発泡板22との積層体であり、全体の厚みが15~35mm、見掛け密度が0.03~0.1g/cm3であることを特徴とする。【選択図】図1
