PROBLEM TO BE SOLVED: To provide a means for performing temperature control with saving energy in plant cultivation in facilities.SOLUTION: A deep flow technique system B includes an aeration means 1 for aerating to nutrient solution B2, and a temperature controlling means 12 for heating or cooling air to be aerated. The device B may be in a form that a cultivation surface is covered with a half-permeable covering material 2 inhibiting invasion of noxious insects. As a result of this, temperature control is performed not in the whole space of plant cultivation facilities but limited to the nutrient solution B2 and a space 3 around plants, so temperature control in plant cultivation in the facilities is performed with saving energy.COPYRIGHT: (C)2011,JPO&INPIT【課題】施設内植物栽培における気温制御を省エネルギーで行う手段の提供。【解決手段】養液B2に対し曝気する曝気手段1を備える湛液型水耕栽培装置Bであって、曝気する空気を加熱又は冷却する温度調節手段12を備える湛液型水耕栽培装置を提供する。また、この装置Bは、害虫の侵入を抑制できる半通気性被覆材2で栽培面が被覆された構成にしてもよい。これにより、植物栽培施設の空間全体ではなく、養液B2及び植物周囲空間3に限局して温度制御を行うため、施設内植物栽培における温度制御を省エネルギーで行うことができる。【選択図】図2
