To perform seedling planting, and supply of a disease and insect pest controlling agent onto a paddy field, in the state where the disease and insect pest controlling agent can be applied effectively.SOLUTION: In a seedling planting machine including a seedling planting device for planting a seedling in a paddy field, and an agent supply device 3 for supplying a disease and insect pest controlling agent, a supply position to the paddy field GL of the seedling by the seedling planting device, and a supply position to the paddy field GL of the disease and insect pest controlling agent by the agent supply device 3, are mutually different positions in the machine body longitudinal direction.SELECTED DRAWING: Figure 2【課題】病虫害防除用薬剤を有効に作用させ得る状態で、苗植付け及び病虫害防除用薬剤の田面への供給を行えるようにする。【解決手段】水田に対して苗を植える苗植付装置と、病虫害防除用薬剤を供給する薬剤供給装置３とを備えるとともに、苗植付装置による苗の田面ＧＬに対する供給位置と、薬剤供給装置３による病虫害防除用薬剤の田面ＧＬに対する供給位置と、は、機体左右方向において互いに異なる位置である。【選択図】図２
