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Table 1 Characteristics of soil contaminated PCBs

From: Structure and diversity of native bacterial communities in soils contaminated with polychlorinated biphenyls

Sample Soil classification (texture)a pH EC (dS m−1) Density (g mL−1) SOM (%) Total P (mg/kg) Total C (mg/kg) Total N (mg/kg) C:N ratio
Control Luvisol (clayey) 5.5 Eb 0.063 A 1.17 B 14.17 C 5.65 C 7.26 BC 0.53 C 13.70 A
HS 5.8 C 0.047 A 1.0 D 10.73 D 4.85 D 6.40 CD 0.48 D 11.75 B
HP 5.6 D 0.063 A 1.08 C 9.04 E 6.06 B 4.84 D 0.49 D 9.81 D
F Regosol (silty–loam) 7.0 B 0.076 A 1.25 A 20.11 B 3.48 E 9.05 AB 0.91 B 9.87 D
A 7.8 A 0.055 A 1.15 B 21.46 A 10.44 A 10.65 A 0.96 A 11.09 C
p-value HSD (p < 0.05)   0.0000 0.6824 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000
0.0404 0.0663 0.0416 0.1953 0.0628 1.7888 0.0360 0.6158
  1. EC electric conductivity, SOM soil organic matter, C:N carbon:nitrogen ratio, HSD honest significant difference (Tukey’s test)
  2. aAccording to Soil Survey Staff (2010)
  3. bThe means followed by the same capital letter do not show any significant differences (Tukey’s test, p < 0.05)