Fig. 1From: Addition of earthworm castings reduces gas emissions and improves compost quality in kitchen waste compostingMethane (A) and nitrous oxide (B) emissions during composting of different treatment mixtures. EC 0%: kitchen waste only; EC 2.5%: kitchen waste + earthworm castings 2.5%; EC 5.0%: kitchen waste + earthworm castings 5.0%; EC 7.5%: kitchen waste + earthworm castings 7.5%Back to article page