PROBLEM TO BE SOLVED: To provide a granule spraying apparatus that can accurately perform adjustment operation of a delivery amount even when using plural kinds of granules with greatly different spraying amount required per unit area of a place to be sprayed.SOLUTION: The granule spraying apparatus includes: a delivering unit 25 for delivering the granules stored in a storage part 24 a spreading unit 27 for spreading and releasing the granules delivered from the delivering unit 25 to a field, a delivery amount adjustment unit which can freely change and adjust the delivery amount of the granules by the delivering unit 25 based on operation of an adjustment operation tool and an adjustment operation state switching unit for directing switching of the adjustment operation state when adjusting the delivery amount of the granules by the delivery amount adjustment unit.COPYRIGHT: (C)2012,JPO&INPIT【課題】散布対象箇所の単位面積当たりに必要とされる散布量が大きく異なる複数種の粉粒体を用いる場合であっても、繰出し量の調節操作を精度よく行うことが可能となる粉粒体散布装置を提供する。【解決手段】貯留部24に貯留される粉粒体を繰出す繰出し手段25と、その繰出し手段25から繰り出される粉粒体を圃場に拡散放出させる拡散手段27と、調節操作具の操作に基づいて繰出し手段25による粉粒体の繰出し量を変更調整自在な繰出し量調整手段とが備えられ、繰出し量調整手段による粉粒体の繰出し量を調節するときの調節操作状態の切り換えを指令する調節操作状態切換手段が備えられている。【選択図】図5
