PROBLEM TO BE SOLVED: To provide a paddy working machine for reducing a germination rate and a seedling establishment rate due to seed burial, or preventing a seedling from falling down due to poor planting, while making it possible to effectively obtain a medicinal effect while reducing a dose to be applied. provide. A main working device for seeding or seedling planting that operates during forward traveling for work and a medicine applying device, and the main working device includes a plurality of main supply units that supply seeds or seedlings to a field. The drug delivery device arranges a plurality of drug supply parts 36 at the same position in the machine lateral direction as the corresponding main supply parts 26 and more than the corresponding main supply parts 26. It is deployed at the front in the front-back direction of the aircraft. [Selection diagram] Figure 8【課題】施薬量を削減しながら薬効を効果的に得られるようにした上で、種子の埋没による出芽率や苗立ち率の低下、あるいは、植え付け不良による苗倒れなどを防止する水田作業機を提供する。【解決手段】作業用の前進走行時に作動する播種用又は苗植え付け用の主作業装置と施薬装置とを備え、主作業装置は、種子又は苗を圃場に供給する複数の主供給部２６を左右方向に一定間隔をあけて整列配備し、施薬装置は、複数の薬剤供給部３６を、対応する主供給部２６との機体横幅方向での同じ位置で、且つ、対応する主供給部２６よりも機体前後方向における前方に配備している。【選択図】図８
