
Biochar - what is it and how to use it
10.04.18
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What is biochar and how is it made?
Biochar is a form of charcoal used to improve compost and top soil. It is created by heating wood in the absence of oxygen - the process is called ‘pyrolysis’. (This differs to a normal biomass boiler that ‘combusts wood’ – ie burns the wood with oxygen). ...