| 摘要 |
Moving rods (10) supported by a support are provided in straight line, along ridge in plant house. Transfer rails (20) opposing moving rods, are provided to one end section. Transfer device (30) with sensors and controller is provided in rails. Connection device connects L-shaped lead rod which moves back and forth, to moving rod. Chemical agent is injected from injection nozzles (51,52), by moving the nozzles along the moving rod. |
