Salt

Salinity levels dS∙m−1

Equation

1.03

2.5

4.0

5.5

7.0

EC

NaCl

0.34a

0.29a

0.29a

0.28a

0.22a

Y = −0.016x + 0.353 R2 = 0.83**

NaCl + CaCl2

0.34a

0.27a

0.27a

0.23b

0.21a

Y = −0.020x + 0.352 R2 = 0.92**

Na

NaCl

0.035a

0.037a

0.050a

0.037a

0.012a

Y = −0.002x2 + 0.017x + 0.017 R2 = 0.88**

NaCl + CaCl2

0.037a

0.029b

0.019b

0.014b

0.011a

Y = −0.004x + 0.040 R2 = 0.96**

K

NaCl

5.04a

5.45a

6.16a

6.33a

7.10a

Y = 0.33x + 4.68 R2 = 0.97**

NaCl + CaCl2

4.63a

5.86a

5.39a

6.57a

7.51a

Y = 0.43x + 4.26 R2 = 0.85**

Ca

NaCl

1.44a

1.71a

1.73a

1.76a

1.86a

Y = 0.06x + 1.462 R2 = 0.81**

NaCl + CaCl2

1.57a

1.76a

1.63a

1.80a

2.00a

Y = 0.06x + 1.51 R2 = 0.72**

Mg

NaCl

5.39a

6.21a

5.84a

6.54a

6.76a

Y = 0.20x + 5.32 R2 = 0.78**

NaCl + CaCl2

4.60a

5.66a

5.99a

6.46a

7.22a

Y = 0.40x + 4.37 R2 = 0.96**

HCO3

NaCl

2.22a

1.92a

1.51a

1.38a

1.50a

Y = -0.13x + 2.24 R2 = 0.79*

NaCl + CaCl2

1.36b

1.55a

1.80a

1.98a

1.44a

Y = 1.63ns

Cl

NaCl

1.79a

1.99a

1.95a

2.02b

2.28a

Y = 0.06x + 1.73 R2 = 0.81**

NaCl + CaCl2

1.78a

2.04a

2.07a

2.21a

2.36a

Y = 0.08x + 1.73 R2 = 0.94**