The host in that video has put up a lot of other good content on shelter belts, coppice polyculture, hedges, etc. I'm enjoying his information & sense of humor.
"the qualities of these bacteria, like the heat of the sun, electricity, or the qualities of metals, are part of the storehouse of knowledge of all men. They are manifestations of the laws of nature, free to all men and reserved exclusively to none." SCOTUS, Funk Bros. Seed Co. v. Kale Inoculant Co.