PROBLEM TO BE SOLVED: To provide an intertillage weeder which suppresses increase of a manufacturing cost and allows a slide frame supporting movably an intertillage unit to expand/contract quickly.SOLUTION: An intertillage weeder includes: a main frame; and a slide frame inserted from an opening of the main frame so as to project/retreat and attached with an intertillage unit performing intertillage work. The intertillage weeder includes: a first roller arranged rotatably at an end in a longitudinal direction of the slide frame on a side inserted into a hole and rolling with an upper end contacting an inner upper face of the hole of the main frame; and a second roller supported rotatably between a pair of support plates arranged and overhung on a lower face side on the opening side of the main frame with respect to a position contacting the first roller, and rolling with an upper end contacting a lower face of the slide frame. The slide frame is supported movably by the main frame via the first roller and se
