guards plants from destructive UV radiation: The shade netting substance Employed in shade Web farming displays or absorbs destructive UV radiation, blocking plant injury. But what is a series url fence specifically, https://www.youtube.com/watch?v=-nQTR6bXhfU&list=PLZ3DkIWtVYetfvXsAvY04--yisQJg2WWI&index=9&pp=iAQB