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- #11
If any plant material would work there, I'd try stuff with a deep tap root. Even might go so far as to plant burdock, but would have to mow it every season, and repeatedly to keep it from setting seed. And then, how do you get rid of it when it's done it's job? It's a perennial. I think that it might be a loosing battle to reclaim that area for productivity without removing that rock dust, but... what do I know???