Experimenting with Biochar
Ever heard of biochar? Maybe the term "Terra preta" rings a bell? Back in 2008 National Geographic published an article about a discovery of man-made nutrient-rich soil in the Amazon. Yes, man-made. It appears that by layering soil, charcoal, pottery sherds (yes, that's the correct spelling), and plant and animal wastes, the soil was transformed from nutrient-poor, desolate soil into the fertile ground that grew sustenance for ancient jungle inhabitants. I remember reading about it and thinking, "Hey, this could save ...