Using Multivariate Geostatistics to Assess Patterns of Spatial Dependence of Apparent Soil Electrical Conductivity and Selected Soil Properties
Table 2
Statistical parameters of the continuously recorded ECa data sets and the soil properties analyzed.
Date
Variable
Unit
Min.
Max.
Mean ± SD
Variance
CV
Skew
Kurt
14/3/2008
ECa-V
mS m−1
1887
5.75
18.38
10.48 ± 1.19
1.42
11.35
0.527
0.124
0.045Ln
14/3/2008
ECa-H
mS m−1
1887
9.25
19.00
14.1 ± 0.77
0.60
5.46
0.065
1.810
0.040Ln
3/4/2008
ECa-V
mS m−1
1871
9.63
20.50
14.04 ± 2.15
4.64
15.31
0.662
0.083
0.073Ln
3/4/2008
ECa-H
mS m−1
1871
6.63
19.50
14.59 ± 0.77
0.60
5.28
0.160
10.51
0.095Ln
23/6/2008
ECa-V
mS m−1
1886
4.13
20.13
11.21 ± 2.47*
6.12
22.03
0.485
−0.243
0.071Ln
23/6/2008
ECa-H
mS m−1
1886
6.63
20.00
12.12 ± 1.79*
3.22
14.77
0.839
1.285
0.092Ln
23/6/2008
CEe
mS m−1
40
7.00
28.00
13.82 ± 5.09
25.94
36.83
1.200
1.008
0.159n
23/6/2008
Clay
g kg−1
40
119.00
220.00
168.37 ± 30.92
956.54
18.36
−0.190
−1.321
0.153n
23/6/2008
Silt
g kg−1
40
233.00
357.00
296.25 ± 35.06
1229.73
11.83
0.149
−1.041
0.098n
23/6/2008
Sand
g kg−1
40
487.00
586.00
535.37 ± 22.53
507.72
4.21
0.055
−0.270
0.069n
23/6/2008
%
38
13.41
45.67
26.74 ± 6.81
49.50
25.47
−2.904
6.510
0.085n
: number of measurements; Min.: minimum value; Max.: maximum value; Mean ± SD: mean ± standard deviation; CV: coefficient of variation (%); Skew: skewness; Kurt: kurtosis; and : normality of the data for test of Kolmogorov-Smirnov ( < 0.01, n: normality, and Ln: log normality). *Nonsignificant at 5% level of ANOVA (SNK).
