A seed transplanter is provided, which enables to control flow of water or mud heaped up on the front of the rotor by regulating the width of left and right of the ground work equipment. A seed transplanter comprises: a seed planting member which is installed at the rear part of the driving vehicle body； a center stop rotor(27b) placed in the center of the width direction of the driving vehicle body； a first lateral part stop rotor(27a) of the right and left； and a second lateral part stop rotor arranged in the outer side of this first lateral part stop rotor.
