Evaluation of the long‐term effect of biochar on properties of temperate agricultural soil at pre‐industrial charcoal kiln sites in Wallonia, Belgium

Research on biochar has increased, but its long‐term effect on the fertility of temperate agricultural soil remains unclear. In Wallonia, Belgium, pre‐industrial charcoal production affected former forested areas that were cleared for cultivation in the nineteenth century. The sites of traditional c... View More