Fig. 3From: Addition of earthworm castings reduces gas emissions and improves compost quality in kitchen waste compostingChanges in temperature (A), pH (B), and germination index (GI) [indicating the degree of compost maturity] (C) during the composting process. EC 0%: kitchen waste only; EC 2.5%: kitchen waste + earthworm castings 2.5%; EC 5.0%: kitchen waste + earthworm castings 5%; EC 7.5%: kitchen waste + earthworm castings 7.5%Back to article page