Biochar: Making and Using Activated Carbon in the Australian Garden

Biochar: Making and Using Activated Carbon in the Australian GardenBiochar — charcoal produced from organic matter and incorporated into soil — dramatically improves water retention, nutrient holding capacity, and microbial activity in Australian soils, potentially for centuries.Getting StartedProduce biochar by pyrolysis (burning organic matter with limited oxygen) — the simplest method is a metal drum with a restricted air intake and chimney. Wood, branches, and crop stalks all produce g…