INTERTILLAGE WEEDING MACHINE AND INTERTILLAGE RIDGING METHOD

PROBLEM TO BE SOLVED: To provide an intertillage weeding machine making easy the intertillage disk position changing work corresponding to the width between ridges, easy in switching work from intertillage work to ridging work, and decreased in the number of scrapers set on the disk. SOLUTION: The intertillage weeding machine comprises an intertillage unit 20 intertilling the soil between ridges while proceeding between crop ridges, and a main frame 3 supporting the unit, wherein the intertillage unit 20 has a supporting frame 21 whose front end side is connected to the main frame 3 and which extends over the proceeding direction rear side, a pair of arm supporting parts 40 set on the supporting frame 21 and capable of being projected/retracted and adjusted the projecting length in the width direction between the ridges, and a back row disk 60 supported freely rotatably and on a state adjusted the angle of a disk 62 against the proceeding direction. The back row disk 60 is detachably mounted on the arm supporting part 40 and can be mounted on the other arm supporting part 40 while making an angle of the disk 62 against the proceeding direction same at a support position of one arm supporting part 40. COPYRIGHT: (C)2010,JPO&INPIT