Gardeners experiment with copper or zinc wires wrapped around wooden stakes

https://www.scribd.com/document/1032037849/ElectroCulture-vs-Traditional-Gardening-Pros-Cons-and-Outcomes-185382

Gardeners experiment with copper or zinc wires wrapped around wooden stakes, forming vertical antennas that channel subtle electrical potentials into soil, reportedly enhancing root development and nutrient uptake.