PROBLEM TO BE SOLVED: To provide technique to prevent seeds from easily adhering to a seed discharge part of a seeding machine when discharging seeds from the seed discharge part of the seeding machine by the adhesion of a scattered material to the seed discharge part of the seeding device in a direct seeding machine for a flooded paddy field.SOLUTION: A direct seeding machine 20 for a flooded paddy field includes: a seeding device 30 equipped with a seed discharge part 34 for discharging seeds; a fertilizing device 40 equipped with a fertilizer discharge part 44 for discharging fertilizer; and a prevention part 50 for preventing a scattered material scattered by the wind from the fertilizer discharge part 44 when fertilizer is discharged by the fertilizing device 40 from adhering to the seed discharge part 34 of the seeding device 30.