A basic setup involves a wooden pole, a copper spiral winding upward, and a grounding spike or buried wire
https://arthurelps397.huicopper.com/electroculture-vs-traditional-gardening-what-changes-and-what-stays-the-same-1
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.