A basic setup involves a wooden pole, a copper spiral winding upward, and a grounding spike or buried wire

https://waylonqois273.overblog.fr/2026/04/copper-coils-and-crops-building-simple-electroculture-antennas-at-home.html

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.