Compost Piles on Fire!
...en with a low moisture, large pile with little air exchange, combined with water getting into the pile in a place where there is enough air to support biological activity and chemical oxidation, but not enough to cool the pile. An old, dry compost pile, or a pile of overs screened out of the finished product, is a case in point. Water seeping into the dry compost can restart microbial activity and initiate reheating. A “macropore” or crack from th...
