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Table 2 Chemical characteristics of the soil samples

From: Genomic and metagenomic analysis of microbes in a soil environment affected by the 2011 Great East Japan Earthquake tsunami

   Hiyoriyama Amamiya
pH - 5.9 6.1
Electrical conductivity dS/m 0.23 0.02
Total organic carbon g/kg 3 2.4
Total nitrogen g/kg 0.2 0.2
Ammonium nitrogen (NH3) mg/kg 19.9 15.9
Nitrate nitrogen (NO\(_{3}^{-}\)) mg/kg 6.2 84.5
Nitrite nitrogen (NO\(_{2}^{-}\)) mg/kg <0.05 <0.05
Effective phosphate (PO\(_{4}^{3-}\)) mg/kg 12 40
Exchangeable K + cmol(+)/kg 0.34 0.36
Exchangeable Ca 2+ cmol(+)/kg 6.19 4.32
Exchangeable Mg 2+ cmol(+)/kg 0.44 0.94
Exchangeable Na + cmol(+)/kg 0.42 0.10
Exchangeable Mn 2+ mg/kg 1.52 3.07
Available iron (Fe) mg/kg 142 10.4
Cl mg/kg 15.7 12.4
Sulfate (SO\(_{4}^{2-}\)) mg/kg 379 2
Cd a mg/l <0.001 <0.001
Cr(VI) a mg/l <0.005 <0.005
Total mercury (Hg) a mg/l <0.0005 <0.0005
Alkyl mercury (Hg) a mg/l <0.0005 <0.0005
Pb a mg/l <0.004 <0.004
As a mg/l <0.001 0.001
B a mg/l <0.1 <0.1
Cd b mg/kg <15 <15
Cr(VI) b mg/kg <25 <25
Hg b mg/kg <1.5 <1.5
Pb b mg/kg <15 <15
As b mg/kg <15 <15
B b mg/kg <400 <400
Cu b mg/kg <10 <10
Zn b mg/kg 100 49
Ni b mg/kg <30 <30
  1. aElution amount of chemicals by water
  2. bTotal amount of chemicals contained in the soil sample