Further biochar musings

My recent experiment with biochar is working really well as a mulch for the feijoa trees at the farm.

I have been thinking of ways to refine the process to produce maximum charcoal and little or no ash. I should have stayed up all night to watch the previous burn but I didn’t and so lost a fair amount of the charcoal in the process. I’m now curious to see if it’s possible for me to produce charcoal with no ash at all.

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Biochar beginnings

Today I got my medieval on and had a go at making biochar. This is a skill still practiced by charcoal burners in Europe, although it’s been a dying art for a while now. It’s rediscovery as a potential solution to climate change has caused a resurgence in interest and production of this ancient material as it helps sequester carbon when the charcoal is added to soil.

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