Table 1 Soil biological, chemical and physical properties.

From: Microbial taxa and functional genes shift in degraded soil with bacterial wilt

Soil properties

Healthy soils

Degraded soils

Enzyme activities

Urease (mg NH4-N h−1 g−1soil)

0.36 ± 0.03 A

0.26 ± 0.03 B

Phosphatase (μg p-nitrophenol h−1)

1.68 ± 0.18 a

1.71 ± 0.20 a

Sucrase (mg/g)

47.84 ± 10.08 A

27.84 ± 5.74 B

Catalase (mL/g)

2.92 ± 0.44 a

1.79 ± 0.75 b

pH and nutrients

pH

6.61 ± 0.15 a

5.98 ± 0.42 b

Available N (mg/kg)

140.98 ± 13.23 a

139.72 ± 17.78 a

Available P (mg/kg)

32.86 ± 3.63 a

23.60 ± 8.02 b

Available K (mg/kg)

302.75 ± 92.47 a

306.33 ± 45.64 a

Organic matter (g/kg)

30.22 ± 2.69 a

29.83 ± 3.33 a

physical properties

Soil bulk density (g/cm3)

1.15 ± 0.05 a

1.21 ± 0.07 a

Soil moisture content (%)

21.59 ± 1.54 a

20.94 ± 1.07 a

Total soil porosity (%)

55.27 ± 1.60 a

54.59 ± 2.55 a

  1. Mean ± standard deviation (n = 5). Values within the same row followed by different lower-case letters differ at P < 0.05; Values within the same row followed by different upper-case letters differ at P < 0.01.
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