PROBLEM TO BE SOLVED: To improve the productivity of crops by promoting the photosynthesis of plants efficiently at a low cost.SOLUTION: A cultivating device is provided with a plurality of linearly long and slender cultivating spaces 3, 4 separated from outside by films 1, 2 having light transmitting property, and supported by air pressure, and terminal units 5, 6 where the films 1, 2 are connected at both ends of each of the cultivating spaces 3, 4, the terminal units 5, 6 including passages 5a, 5b communicating with each of the cultivating spaces 3, 4 and air-conditioning machines 7, 8, and in the state of shutting gas in each of the cultivating spaces 3, 4 and passages 5a, 5b, wind ejected from the air-conditioning machines 7, 8 is circulated in each of the cultivating spaces 3, 4 through the passages 5a, 5b so that the wind can be applied to the plants 15 cultivated in each of the cultivating spaces 3, 4.【課題】低コストで効率的に植物の光合成を促進して作物の生産性を向上させる。【解決手段】本発明は、光透過性を有し、空気圧で支持されるフィルム１，２によって外部と隔てられた直線状に細長い複数の栽培空間３，４と、各栽培空間３，４の両端において、フィルム１，２が接続される端末ユニット５，６とを備え、端末ユニット５，６が、各栽培空間３，４と連通する通路５ａ，５ｂと、空気調和機７，８とを備え、各栽培空間３，４及び通路５ａ，５ｂに気体を閉じ込めた状態で、空気調和機７，８から吐出される風を、通路５ａ，５ｂを介して各栽培空間３，４に循環させ、各栽培空間３，４で栽培される植物１５に当て得る栽培装置を提供する。【選択図】図１
