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Table 1 Physical and chemical properties of soil obtained from different mining sites of Zamfara State

From: Physicochemical and molecular characterization of heavy metal–tolerant bacteria isolated from soil of mining sites in Nigeria

Parameter Sampling site
Site 1 Site 2 Site 3 Site 4 Site 5 (cntrl)
pH 8.20 ± 0.10a 7.17 ± 0.12b 7.25 ± 0.15b 7.70 ± 0.10c 6.20 ± 0.20d
Temperature (°C) 40.3 ± 1.6 38.0 ± 0.8 39.6 ± 0.4 39.6 ± 0.4 41 ± 0.8
Moisture (%) 0.82 ± 0.0002a 0.63 ± 0.02a 0.23 ± 0.006b 0.14 ± 0.01b 0.57 ± 0.02c
Organic Carbon (%) 1.12 ± 0.005a 1.01 ± 0.04a 0.23 ± 0.01b 0.18 ± 0.007b 5.92 ± 0.02c
Nitrogen (%) 0.23 ± 0.006a 0.28 ± 0.008a 0.13 ± 0.06b 0.1 ± 0.01b 0.67 ± 0.02c
C/N ratio 4.8 3.6 1.7 1.8 8.8
CEC(cmol/kg) 2.71 ± 0.06a,b 3.57 ± 0.26b 2.05 ± 0.06a 1.52 ± 0.23c 2.23 ± 0.33a
EC (ds/m) 0.29 ± 0.006a,b 0.153 ± 0.04a 0.32 ± 0.02b 0.26 ± 0.02a,b 0.42 ± 0.01b
Sand 58 52 62 60 70
Silt 33 27 23 22 30
Clay 9 21 15 14 15
Textural class SL SLC SL SL SL
Stability index 3.39 2.68 1.17 1.48 8.26
  1. Key: cntrl control, S sandy, L loam, C clay. Note: mean ± standard deviation
  2. a,b,c,dValues with common superscripts in the same row do not differ (p≤0.05)