Biochar

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The Carlton SWCD held a Biochar Demonstration at the Cloquet Forestry Center on March 8th, 2022. This demo was to show how the kilns could be used to turn low value woody material into biochar. Biochar can be used as a soil additive to sequester carbon, increase nutrient and water retention, and to reduce fuel loads. 

This video demonstrates the  basic concept of using a flame cap to create biochar. The Oregon Flame Cap Kilns replicate this basic concept and produce minimum emissions when burning even relatively wet material, because the smoke from burning material at the bottom of the pile has to travel through the flame cap to exit the pile.