| 摘要 |
PURPOSE:To eliminate necessity of an operator to cultivate culture soil in casings, by forming casings into U-shaped cross-section, placing a cultivating device through traveling wheels on the top edge and transferring the cultivating device along the top edge. CONSTITUTION:Casing 1 are constructed by forming side plates 12 into approximately a U-shape at both the edges of a substrate 11 in an integrated way and store culture soil. Traveling wheels 51 of a cultivating device P are supported on curved edges 121 of the side plates. Tractive traveling wheels 51 are rotated by a motor 54 for traveling, the cultivating device P is transferred along the casings 1 and culture soil in the casings 1 is cultivated by a motor for cultivation.
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