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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