Gardeners experiment with copper or zinc wires wrapped around wooden stakes
https://daltonbcvh980.cavandoragh.org/harnessing-the-sky-a-beginner-s-guide-to-electroculture-gardening-for-bigger-healthier-harvests
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.