| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a watering device for a plant cultivation apparatus, which can improve the maintainability of the plant cultivation apparatus and can reduce the consumption amount of cultivation water and plant production cost, by controlling the adhesion of the cultivation water to the constitution members of the plant cultivation apparatus and spraying the cultivation water on the plants of cultivation trays. <P>SOLUTION: The plant cultivation apparatus 100 comprises a cultivation house 105 having cultivation racks 106 in which cultivation trays 101 are stored, a watering device W and a delivery station 120 on which a cultivation tray 101 to be watered is loaded. The watering device W has spray nozzles 145 for spraying the cultivation water on plants P, and a cover 130 for preventing the spreading of the cultivation water sprayed from the spray nozzles 145. The cover 130 for forming a watering chamber Ri is downward extended from a ceiling wall 131 to the cultivation tray 101 to cover the whole bodies of the plants P on the plane view and surround the whole bodies of the plants P with the lower end portions of the side walls 132 of the cover on the plane view. The spray nozzles 145 spray the cultivation water in the watering chamber Ri. <P>COPYRIGHT: (C)2013,JPO&INPIT |
