PROBLEM TO BE SOLVED: To provide a seedling planting machine capable of changing a position of conveyance rails on a traveling machine body.SOLUTION: The seedling planting machine includes: a traveling section for traveling on a field a planting section connected to the rear side of the traveling section for planting seedlings on the field conveyance rails for conveying conveyance objects to the traveling section and a hitch detachably supporting the conveyance rails and formed into a circular shape in plane view. A worker rotationally turns the conveyance rails using the plane-view circular hitch as a fulcrum to allocate the conveyance rails to a desired position.SELECTED DRAWING: Figure 1
