PROBLEM TO BE SOLVED: To provide a paddy field working machine avoiding, damage of the marker itself and mad splash to the worker side which are caused by posture changing operation of the marker at an improper time, when changing the posture of a marker by an electric motor. SOLUTION: The paddy field working machine comprises a height position discriminating means 13 discriminating the height position of a planting and sowing type working implement 10, and when the implement 10 is positioned at a height position higher than a predetermined height, a posture change instruction of a marker 20 by a manual operation device 61 is not transmitted to a marker operating mechanism 40, and when the implement 10 is positioned at a lower height than the predetermined height, the posture change instruction by the manual operation device 61 is outputted to a marker operating mechanism 40. COPYRIGHT: (C)2007,JPO&INPIT
