| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a mushroom cultivation device designed so as to efficiently discharge carbon dioxide staying in the vicinity of the floor of a chamber to the outside so that an optimum environment for mushroom cultivation is easily achievable. Ž<P>SOLUTION: The mushroom cultivation device includes a sirocco fan 15 for sucking air in a greenhouse 1 and discharging the air to the outside, and a duct 16 connected to the sucking port 15a of the sirocco fan 15. The sucking port 16c of the duct 16 is set up to the floor level F.L in the greenhouse 1 to efficiently suck carbon dioxide staying above the floor level F.L in the greenhouse 1 from the sucking port 16c of the duct 16 via the sirocco fan 15 and discharge the carbon dioxide to the outside of the greenhouse 1. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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