Those fences could be used for electrofarming. https://www.newscientist.com/article/2304360-can-electric-fields-help-plants-grow-new-claims-met-with-caution/ ht

Those fences could be used for electrofarming. https://www.newscientist.com/article/2304360-can-electric-fields-help-plants-grow-new-claims-met-with-caution/ https://www.newscientist.com/article/2304360-can-electric-fi... tl;dr Electricity kills all bugs and insects good and bad, lowering pesticide use. They also increase water evaporation, forcing plants to grow faster.