Gardeners experiment with copper or zinc wires wrapped around wooden stakes

https://padlet.com/sandurybvd/bookmarks-rbpqp4px199nwdly/wish/x5A7aro1oywzQwr6

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.