Table 4 Activities of soil enzymes in WJC and TYC.

From: Feasible and effective reuse of municipal sludge for vegetation restoration: physiochemical characteristics and microbial diversity

Soil enzymes

Activities

WJC

TYC

Urease (μg·g−1·2 h−1)

22.51 ± 1.72 a

4.76 ± 0.57 b

Catalase (mL·g−1·h−1)

1.43 ± 0.02 a

0.73 ± 0.02 b

Invertase (mg·g−1·24 h−1)

22.49 ± 0.39 a

9.96 ± 0.14 b

Alkaline phosphatase (μg·g−1·h−1)

448.34 ± 9.02 a

171.38 ± 6.77 a

  1. Note: Average values and standard errors are shown. Statistical significance [least significant difference (LSD)] of the difference in soil enzyme activities of substrates is indicated by different lower-case letters (P < 0.05).