Ben Discoe explains origins, current uses for this basic technology that allows fertilizer application rates to be greatly reduced while building organic matter in the soil. Presentation made at 6/2/10 "Coffee Talk" meeting of Kona Coffee Farmers Association (www.konacoffeefarmers.org)
I use a kitchen garbage disposal to grind my biochar. I use a 30 gallon drum inverted into a 55 gallon drum as a retort kiln.
clockguy2 1 year ago