| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a plant cultivation device having a simple structure for achieving emitting light to plants in accordance with plant growth of which positions of illuminators for cultivation to plants are freely adjustable. <P>SOLUTION: The plant cultivation device 100 includes: cultivation trays 130 which can cultivate plants; tray shelves 120 which can store respective cultivation trays 130 placed on a plurality of steps; illuminators for cultivation 110 for emitting light to plants P respectively provided on the upper sides of the tray shelves 120; ceiling plates for supporting the illuminators for cultivation 110 or the tray shelves 120; suspension wires 170 for suspending illuminators for cultivation having steps in the upper and lower directions or tray shelves which are tightly stretched between the lowest steps of the illuminators for cultivation 110 or the tray shelves 120 and the ceiling plates 161; and spacers 140 which are inserted between the illuminators for cultivation 110 or between the tray shelves 120 and define spaces in the upper and lower directions of the illuminators for cultivation 110 or tray shelves 120. <P>COPYRIGHT: (C)2012,JPO&INPIT |
