PROBLEM TO BE SOLVED: To provide a high voltage application device compatible with cultivation of mushroom bed and capable of applying a sufficient amount of electrical stimulation.SOLUTION: As a high voltage generation section, a high voltage generation device 7 with positive electrode and a high voltage generation device 7 with negative electrode are connected in parallel. A high voltage controller 33 transmits a control signal alternately to the high voltage generation device 7 with positive electrode and the high voltage generation device 7 with negative electrode.COPYRIGHT: (C)2012,JPO&INPIT【課題】菌床栽培にも対応でき、必要なだけの電気的刺激を与えられる高電圧印加装置を提供する。【解決手段】高電圧発生部として、正極の高電圧発生装置7と、負極の高電圧発生装置7’とが並列に接続されており、高電圧コントローラ33は、前記正極の高電圧発生装置と、前記負極の高電圧発生装置とに交互に制御信号を送る。【選択図】 図3
