PROBLEM TO BE SOLVED: To provide a technical improvement related to a sowing device and a fertilizing device to more efficiently simultaneously perform sowing and fertilizing, in a working machine equipped with the sowing device and the fertilizing device.SOLUTION: In the working machine having the sowing device 9 and the fertilizing device 10 on a travel machine frame 3, the sowing device 9 has a seed supply portion for releasing seeds from seed-releasing ports SH in a prescribed sowing length SL and at a prescribed sowing pitch SP； the fertilizing device 10 has a fertilizer supply portion for releasing a fertilizer from fertilizer-releasing ports FH at the neighborhoods of seed-sowed positions in a longer prescribed fertilizing length FL than the sowing length SL and at a prescribed fertilizing pitch FP； and the sowing pitch SP is equal to the fertilizing pitch FP.
