“I wanna see it painted black, black as night, black as coal.” The Rolling Stones, 1966 Black is my new favorite color. No, I haven’t become a goth. I want my soil to be black, black as night, black as charcoal. Even a casual observer knows dark soils grow plants better than tan or gray soils. Why? It’s the dead stuff in the soil. Dead stuff is mostly carbon. I have written about biochar before. Let’s review the term. Biochar is charcoal used as a soil amendment. It is produced by burning plant material, usually wood, so there is as …