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Applied Biological Chemistry

Table 2 Ammonia emission and global warming potential (GWP) values during composting

From: Addition of earthworm castings reduces gas emissions and improves compost quality in kitchen waste composting

Treatment

EC 0%

EC 2.5%

EC 5%

EC 7.5%

NH3 (g kg−1 C.W)

153.8

133.5

121.4

60.3

GWP-CH4 (gCO2 eq. kg−1 C.W)

63.9

49.4

33.3

33.4

GWP-N2O (gCO2 eq. kg−1 C.W)

84.02

19.95

4.75

4.73

Total GWP (gCO2 eq. kg−1 C.W)

147.9

69.35

38.05

38.13

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