PROBLEM TO BE SOLVED: To provide a seedling transplanting machine that includes fertilizers for facilitating stabilization of weight balance of a machine body at right and left sides of the machine body, without interfering with replenishment work of seedlings to a seedling planting unit.SOLUTION: A seedling transplanting machine is characterized by: providing a rear step 47 behind boarding steps 40 liftably providing a seedling planting unit 60 for planting seedlings in the field providing right and left fertilizers 200R, 200L for supplying granules at the right and left sides of the rear step 47 providing granule storage members 205, 205, respectively, at both right and left sides of the rear step 47, in the right and left fertilizers 200R, 200L providing right and left feeding members 204, 204 for feeding granules under the right and left storage members 205, 205, respectively providing right and left guide members 216, 216 for guiding the fed granules under the feeding members 204, 204 to the field and providing right and left ventilation members 215, 215 for supplying carrier air to carry the granules to the right and left guide members 216, 216, respectively.
