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Table 4 Edaphic material respiration (mg CO2 m2 day) at 3, 5, and 12 months after treatment with LRC and CSB inoculum

From: Effect of low-rank coal inoculated with coal solubilizing bacteria on edaphic materials used in post-coal-mining land reclamation: a greenhouse trial

Treatment Edaphic respiration(mg CO2 m2 day)
3 months 5 months 12 months
EM 4477 ± 918 a 4193 ± 1771 a 3309 ± 193 a
EM + P 4676 ± 365 a 6589 ± 1057 bc 3781 ± 640 ab
EM + P + CSB 5373 ± 262 abc 7388 ± 765 bc 4077 ± 447 ab
EM + P + LRC 1 % 5191 ± 553 abc 10.084 ± 1100 bcd 5140 ± 404 cd
EM + LRC 1 % 4511 ± 891 a 10.483 ± 998 cd 4963 ± 610 bcd
EM + LRC 0.1 % 5821 ± 608 bcd 9185 ± 326 c 4550 ± 524 bc
EM + CSB + LRC 1 % 4511 ± 753 abc 6390 ± 1756 abc 5081 ± 453 bcd
EM + CSB + LRC 0.1 % 6036 ± 140 cd 4393 ± 1031 ab 4491 ± 273 bc
EM + P + CSB + LRC 1 % 6209 ± 636 bcd 10.483 ± 1542 cd 5259 ± 226 d
EM + P + CSB + LRC 0.1 % 5622 ± 379 bcd 7688 ± 2337 bcd 4727 ± 386 bc
  1. Treatments with different letters are significantly different (Tukey, α = 0.05)
  2. n = 3, ±SD = standard deviation