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

https://telegra.ph/Advanced-ElectroCulture-Multi-Antenna-Grids-and-Spiral-Designs-05-04

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.