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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