PROBLEM TO BE SOLVED: To provide a shelf device for plant cultivation, evenly adjusting the condition of a cultivation space on a shelf, and decreasing energy and operation cost required for the condition adjustment.SOLUTION: This shelf device for plant cultivation is configured to include forming a ceiling part of a cultivation space 6 on a shelf by a thick plate-like block body 9 made of resin, supplying space adjusting gas to the cultivation space 6 on the shelf through an inner air supply path 13 and a ceiling air supply hole 13b formed in the thick plate-like block body 9, and exhausting gas in the space from the cultivation space 6 on the shelf through an inner exhaust air path 14 and a ceiling exhaust air hole 14b similarly formed in the thick plate-like block body 9.【課題】棚上栽培空間の状態を均一に調整するとともに、その状態調整に要するエネルギ及び運転コストを低減する。【解決手段】樹脂製の厚板状ブロック体９で棚上栽培空間６の天井部を形成し、この厚板状ブロック体９に形成した内部給気路１３及び天井給気孔１３ｂを通じて棚上栽培空間６に空間調整気体を供給し、同じく厚板状ブロック体９に形成した内部排気路１４及び天井排気孔１４ｂを通じて棚上栽培空間６から空間内気体を排出する構成にする。【選択図】図２
