Biochar – the product of burning biomass in no or low-oxygen conditions – could store carbon as well as boost crop yields when spread on soil. Saran Sohi of the UK Biochar Research Centre at the University of Edinburgh reveals what we need to know before large-scale commercialization of the technique and how his team’s field trials could help.

Biochar
Saran Sohi of the UK Biochar Research Centre explains what we need to learn before large-scale commercialization of biochar
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