PROBLEM TO BE SOLVED: To provide a spreader capable of agitating and mixing efficiently a spreading object such as a fertilizer in a hopper, and simultaneously preventing the spreading object from remaining in the clinging state between internal surface agitation blades of the hopper, while reducing a power loss.SOLUTION: A spreader 11 includes: a hopper 51 into which a spreading object is inputted agitation blades 61, 62 rotated in the hopper by revolving shafts 41, 42, for agitating the spreading object and scraping materials 63 mounted on the agitation blades 61, 62 projectably from/retractably into the periphery of the agitation blades 61, 62.COPYRIGHT: (C)2015,JPO&INPIT【課題】ホッパ内で肥料等の被散布物を効率的に攪拌混合させながら、ホッパの内壁面撹拌羽根との間に被散布物がへばりついて残留することを、動力ロスを減少しながら防ぐ散布機を提供する。【解決手段】被散布物を投入されるホッパ51と、回転軸41、42によりホッパ内で回転され被散布物を撹拌する撹拌羽根61、62と、撹拌羽根61、62の外周部から突没自在に撹拌羽根61、62に取り付けられる掻き出し材63と、を備える散布機11。【選択図】図3