To provide a blower for a plant cultivation shelf, which can send a proper wind uniformly to all the plants on the shelf and can grow the plants uniformly.SOLUTION: An air supply device 4, a pressure adjustment chamber 5, and air blow tubes 6, 6, - - - are provided. The air supply device 4 is for sucking room air in which the carbon dioxide concentration is adjusted and supplying the air to the pressure adjustment chamber 5. The pressure adjustment chamber 5 is provided in the vertical direction on the side of the plant cultivation shelf 2 and its internal pressure is kept constant. An air outlet 7 is provided for each shelf stage of the plant cultivation shelf 2, and each one end portion of the air blow tubes 6, 6, - - - is connected to the air outlet 7 of the pressure adjustment chamber 5.SELECTED DRAWING: Figure 1【課題】 棚の全ての植物に均一に適切な風を送り、均質な生育を行うことのできる植物栽培棚用の送風装置の提供。【解決手段】 給気装置４と、圧力調整室５と、送風管６，６，…とを備え、給気装置４は、二酸化炭素濃度が調整された部屋空気を吸い込んで圧力調整室５に供給するものであり、圧力調整室５は、植物栽培棚２の側方に上下方向に設けてあり、内部の圧力が一定に保たれるものであり、植物栽培棚２の各段毎に空気吹出口７が設けてあり、送風管６，６，…は、一端部が圧力調整室５の空気吹出口７に連結してある。【選択図】 図１
