PROBLEM TO BE SOLVED: To efficiently spray a chemical to the whole circumference of crops by attaching an electrostatic spray device to a chemical spray device including a spray boom with downward spray nozzles for spraying the chemical downward at prescribed spacings, and right and left hanging spray nozzles in a hanging boom extended downward from an intermediate position between adjacent downward spray nozzles for spraying the chemical to the right or left.SOLUTION: The electrostatic spray device of the agricultural vehicle includes: the downward spray nozzles disposed at prescribed spacings in the spray boom for spraying the chemical downward front and rear high-voltage conductors in the periphery of a chemical spray part of each downward spray nozzle in such a way as to face each other the right and left hanging spray nozzles in the hanging spray boom extended downward from the intermediate position between adjacent downward spray nozzles in the spray boom for spraying the chemical to the right or left and right and left hanging high-voltage conductors disposed in the periphery of a chemical spray part of each of the right and left hanging spray nozzles in such a way as to face each other.COPYRIGHT: (C)2012,JPO&INPIT【課題】所定間隔毎に下向きに噴霧する下向き噴霧ノズルを備えている散布ブームと、隣接する下向き散布ノズルの中間部位から吊り下げ散布ブームを下方に延出して左右方向に噴霧する左右吊り下げ噴霧ノズルを備えた薬液散布装置において、静電散布装置を付設し、作物の全周に薬液を効率的に散布する。【解決手段】散布ブームに所定間隔毎に下向きに噴霧する下向き散布ノズルを設け、該下向き散布ノズルの薬液噴霧部周辺に前後高電圧電導体を対向配置し、前記散布ブームにおける隣接する下向き散布ノズルの中間部位から吊り下げ散布ブームを下方に延出して左右方向に噴霧する左右吊り下げ噴霧ノズルを設け、該左右吊り下げ噴霧ノズルの薬液噴霧部周辺に左右吊り下げ高電圧電導体を対向配置したことを特徴とする農用作業車の静電散布装置の構成とする。【選択図】図2
