Anyone interested in large Styrofoam blocks (about 6"x6"x4’) or heavy duty used baffle curtains (would make a great row cover). These would be a heavy duty version of woven greotextile type material. I can think of a few ways to use them but squares directly around trees to reduce weeds, frost blankets in lieu of tarps, you get the idea.
I am considering turning broken parts of the Styrofoam into a concrete amendment for fence posts.