N

K

Ca

Na

EC

K

−0.81ns

Ca

0.99**

−0.83ns

Na

−0.97*

0.92ns

−0.98*

EC

0.99**

−0.85ns

0.99**

−0.98*

pH

−0.73ns

−0.30ns

−0.74ns

0.65ns

−0.68ns