| 摘要 |
PROBLEM TO BE SOLVED: To increase a stimulation to a plant as much as possible by changing the refraction tendency and orientation of a light transmitted through a sheet for making the striking ways of the light as complex, and also to aim at the improvement of a housing capacity by bringing beam materials together as compact as possible on gathering the beam materials by traveling the beam materials on rails. SOLUTION: This simple house for a culture is constituted by installing plural rows of beam materials 10 having an arch shape for spreading a light transmitting sheet S over the beam materials installed in a row and also fixing the sheet S to the beam materials 10, using plural kinds of beam materials (10L, 10M, 10S) formed as having different sizes in an order and facing to inside in the order of the sizes, arranging each of the beam materials 10 so that the adjacent beam materials are different in sizes to make the sheet single body Sa spread between the adjacent beam materials 10 as inclined, also installing a pair of rails 20 for each of the same kind of the beam materials having the same size on which the both ends of the each material can travel and forming a rail body 21 by installing the rails 20 positioned at the each end parts of the beam materials 19 side by side each other.
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