Gardeners experiment with copper or zinc wires wrapped around wooden stakes

https://padlet.com/almodaubpw/bookmarks-plqb3w7xrn0ey9o9/wish/KxJvagpPR15vQAg0

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.