F1
F2
F3
EC µS/cm
0.905
−0.013
0.203
(mg/L)
0.663
-0.061
0.586
(mg/L)
0.615
0.603
−0.217
(mg/L)
0.540
−0.244
−0.215
Cl− (mg/L)
0.696
−0.019
−0.404
Ca2+ (mg/L)
0.638
−0.632
−0.191
Mg2+ (mg/L)
0.212
0.382
0.736
Na+ (mg/L)
0.347
0.753
−0.371
K+ (mg/L)
0.681
−0.165
0.079