PROBLEM TO BE SOLVED: To provide a seed crop planting device that enables plover planting in a proper hill space by adding simple equipment in a planting device for making seed crops fall on a field surface.SOLUTION: A seed crop planting device 1 is provided for sowing spaced seeds of seed crops on a field surface while traveling in one direction, and includes a fall conduit 10 that makes the seed crops fed by grain unit fall on the field surface at intervals. The fall conduit 10 includes one inlet port 11, two falling outlets 12, 13 divided into left and right in a traveling direction from the inlet port 11, and a guide plate 14 for guiding the seed crops inputted to the inlet port 11 toward the one of the two falling outlets 12, 13. The guide plate 14 rotates by own weight of the inputted seed crops and alternately switches guiding directions by the grain unit of the seed crops.
