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Table 5 Microbiological activity of EM (mg fluorescein. kg soil−1 h−1) at 3, 5, and 12 months after application of LRC and CSB inoculum in the presence and absence of maize plants

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

Microbiological activity of EM (mg fluorescein. kg soil−1 h−1)

3 months

5 months

12 months

EM

8.4 ± 1.9 a

8.1 ± 0.6 a

8.2 ± 1.2 ab

EM + P

11.4 ± 2.5 ab

10.8 ± 1.2 b

8.3 ± 0.5 ab

EM + P + CSB

13.5 ± 2.5 b

10.8 ± 1.0 b

9.0 ± 0.6 abc

EM + P + LRC 1 %

10.8 ± 1.8 ab

14.7 ± 1.6 c

10.7 ± 1.2 bcd

EM + LRC 1 %

25.6 ± 3.5 d

14.9 ± 4.6 c

12.3 ± 1.5 d

EM + LRC 0.1 %

10.7 ± 2.2 ab

10.3 ± 1.8 ab

8.0 ± 0.5 ab

EM + CSB + LRC 1 %

18.7 ± 2.2 c

12.7 ± 0.9 c

12.7 ± 1.3 d

EM + CSB + LRC 0.1 %

9.4 ± 1.4 a

10.3 ± 1.8 ab

7.8 ± 0.7 a

EM + P + CSB + LRC 1 %

18.8 ± 2.8 c

15.2 ± 3.2 c

11.5 ± 0.8 cd

EM + P + CSB + LRC 0.1 %

13.8 ± 3.3 b

10.7 ± 1.5 b

9.5 ± 0.3 abc

  1. Treatments with different letters are significantly different (Tukey, α = 0.05)
  2. n = 3, ±SD = standard deviation