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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)
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Geochemical Transactions

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