247
Unit
Mn
Mn(BC) Md
Min
Max
P
25
P
75
S
CV
A(BC)
B(BC)
NO
3
−
mg/l
12.3
1.5
2
0.2
77.5
1
19.2
0.5
−1.2
18.4
149
NO
2
−
mg/l
2.6
−2.2
0.03
<0.05
35.8
<0.05
<0.05
2.2
3.1
7.3
285
NH
4
+
mg/l
2.3
−1.0
0.2
<0.05
31.6
<0.05
2.6
0.6
−0.8
5.4
236
PO
4
3−
mg/l
1
−0.8
0.4
<0.05
7.8
0.2
0.7
0.8
0.03
1.8
168
SO
4
2−
mg/l
9.3
1.7
<0.05
2
167
2.5
8.4
1.8
4.1
23
246
Cl
mg/l
13.2
2.7
11
4.2
81
9.6
13
2
7.2
11
85
Na
mg/l
8
2.2
6.8
2.6
36
5.5
9.2
0.9
2.3
5.1
63
Ca
mg/l
35
4.1
31.7
14.6
76.5
23
43
0.1
−0.7
13.9
40
Mg
mg/l
5.5
1.7
4.8
1.2
12
3.5
7.2
−0.3
0.1
2.6
48
K
μg/l
5.0
1.6
4
2.2
27.3
2.9
5
1.9
5
4
84
Mn
μg/l
409
16.3
371
2.4
2369
225
506
361
88
−0.3
2.6
Fe
μg/l
337
14
161
<0.05
2502
82
501
414
123
0.4
0.5
Mn
mean of not transformed values, Mn(BC)
mean of the Box-Cox transformed values, Md
median, Min
minimum, Max
maximum, P25
25th percentile, P75
75th percentile, S
standard deviation, CV
coefficient of variance, A
skewness, B
kurtosis, d
depth of the borehole, ECw
conductivity
8 Groundwater Pollution Under the Intensive Agriculture Production