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

https://padlet.com/almodarlom/bookmarks-llrbbbzgk02z55uy/wish/kxodWG2KLM4kZgP7

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.