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Table 1 Soil physical properties and major ion concentrations in a 1:1 w/v soil:water extract

From: Constraining the carbonate system in soils via testing the internal consistency of pH, pCO2 and alkalinity measurements

  Depth, cm Sand silt clay, % Major cations and anions
Cl NO3 SO42− Ca2+ K+ Mg2+ Na+
meq L−1
Monarto 1* 0–10 84.6 7.10 8.30 0.65 0.44 0.13 2.62 0.46 0.56 0.69
Lock siliceous 0–10 95 0 5 0.38 2.35 0.09 3.59 0.78 0.44 0.35
Karoonda 0–10 97.4 0.2 2.40 0.24 0.24 0.11 0.39 0.25 0.21 0.20
Ngarkat 0–10 95.80 1.0 3.20 0.18 0.04 0.05 0.25 0.11 0.17 0.21
Lock Horizon B 0–10 97.50 2.50 0 0.20 0.34 0.14 1.40 0.11 0.54 0.60
Modra 0–10 65 5 30 3.36 5.70 0.31 5.72 1.34 1.39 1.34
Monarto 2* 0–10 93.6 1.1 3.8 0.31 0.24 0.19 0.50 0.39 0.30 0.25
Cowirra 0–10 41.50 18.80 39.70 4.57 0.02 35.6 25.46 1.14 14.36 9.17
Black point 10–20 72.70 9.20 18.10 2.21 0.28 0.37 2.23 0.27 0.55 2.46
  1. *Monarto 1 and Monarto 2 were selected form two locations (Highland and Highway, respectively)