Summary
This study tracked the chemical ageing of preindustrial charcoal particles incubated in temperate forest and agricultural soils, examining how soil environment influences charcoal stability and transformation. Using organic geochemical methods, the authors characterised long-term changes in charcoal chemical properties, as suggested by differences between forest and agricultural soil systems. The work contributes to understanding biochar persistence and reactivity in contrasting soil contexts, relevant to both archaeological interpretation and modern soil carbon management.
UK applicability
Findings are directly applicable to UK temperate soils, where preindustrial charcoal remains are common and biochar amendment is increasingly practised. The comparison of forest versus agricultural soil conditions reflects UK land-use patterns and could inform predictions of charcoal stability under different UK farming and land-management regimes.
Key measures
Chemical composition of charcoal particles; elemental analysis; organic geochemical characterisation; comparison between forest and agricultural soil matrices over time
Outcomes reported
The study examined long-term changes in chemical properties of charcoal particles from preindustrial origins as they aged in contrasting soil environments (forest vs. agricultural). It measured molecular-scale transformations in charcoal composition over time in temperate soil conditions.
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