And you can add it to soil where it works wonderfully at increasing biomass, reducing water runoff and increasing the number and variety of microorganisms in th

And you can add it to soil where it works wonderfully at increasing biomass, reducing water runoff and increasing the number and variety of microorganisms in the soil, sequestering more carbon. http://en.wikipedia.org/wiki/Terra_preta http://en.wikipedia.org/wiki/Terra_preta