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. Author manuscript; available in PMC: 2018 Apr 27.
Published in final edited form as: Soil Biol Biochem. 2017;113:14–25. doi: 10.1016/j.soilbio.2017.05.025

Table 2.

Selected soil chemical and microbial properties in control soil (CK) and soil with the addition of biochar (B), biochar-manure compost (BM), and manure compost (M). Chemical and microbial properties were measured at the end and beginning of 120-d incubation, respectively.a

Soil C Soil N Soil C:N Soil pH MBC MBN MB C:N
mg C or N g−1 soil µg C or N g−1 soil
CK 12.6 c 1.2 b 10.9 b 6.4 a 155.4 b 35.5 c 4.5 c
B 13.4 c 1.2 b 11.2 b 6.3 a 174.5 b 36.4 c 5.1 c
BM 28.5 a 2.2 a 12.7 a 5.9 b 486.9 a 45.1 b 11.3 a
M 21.3 b 2.1 a 10.0 b 5.9 b 526.6 a 59.6 a 8.8 b

A Different letters within a column indicate significant differences of means, n = 3 at P < 0.05. MB denotes microbial biomass.