A basic setup involves a wooden pole, a copper spiral winding upward, and a grounding spike or buried wire
https://telegra.ph/Electroculture-Gardening-A-Practical-Overview-for-New-Growers-05-02
A basic setup involves a wooden pole, a copper spiral winding upward, and a grounding spike or buried wire, positioned near crops to capture atmospheric ions and gently influence local electrostatic conditions.