Research Article
Multivariate Analysis of Metal Levels in Paddy Soil, Rice Plants, and Rice Grains: A Case Study from Shakargarh, Pakistan
Table 2
Descriptive statistics for metal levels (mg/kg) in soil, plants, and grains ().
| | Fe | Co | Ni | Cd | Pb | Cr |
| | Soil | | | | | | | | Min. |
1823
|
13.76
|
60.02
|
1.025
|
113.8
|
13.76
| | Max. |
7498
|
2898
|
99.67
|
78.90
|
2967
|
89.76
| | Mean |
4074
|
747.2
|
85.84
|
35.02
|
1065
|
37.80
| | Median |
3455
|
90.22
|
90.68
|
30.70
|
725.5
|
25.51
| | S D |
2249
|
1180
|
13.61
|
33.95
|
1092
|
27.73
| | S.E |
459.1
|
240.9
|
2.779
|
6.93
|
222.9
|
5.662
| | Kurtosis |
−1.263
|
−0.497
|
−0.674
|
−2.107
|
−1.115
|
−0.600
| | Skewness |
0.591
|
1.240
|
−0.936
|
0.054
|
0.656
|
1.115
|
| | Plant | | | | | | | | Min. |
639.3
|
61.97
|
49.11
|
0.040
|
31.34
|
4.280
| | Max. |
1624
|
80.19
|
64.06
|
2.060
|
67.53
|
15.54
| | Mean |
1256
|
71.58
|
54.50
|
0.849
|
48.81
|
9.173
| | Median |
1382
|
72.08
|
52.41
|
0.648
|
48.19
|
8.435
| | S D |
427.1
|
9.975
|
7.094
|
0.990
|
20.20
|
5.776
| | S.E |
213.6
|
4.988
|
3.547
|
0.495
|
10.10
|
2.888
| | Kurtosis |
2.922
|
−5.800
|
−0.284
|
−2.967
|
−5.925
|
−4.738
| | Skewness |
−1.557
|
−0.035
|
1.050
|
0.540
|
0.013
|
0.221
|
| | Grain | | | | | | | | Min. |
243.9
|
40.49
|
38.59
|
0.220
|
38.63
|
4.653
| | Max. |
1019
|
62.03
|
52.59
|
1.642
|
55.88
|
12.21
| | Mean |
536.1
|
49.89
|
46.34
|
0.859
|
45.75
|
6.988
| | Median |
440.8
|
48.51
|
47.09
|
0.788
|
44.25
|
5.544
| | S D |
335.2
|
8.959
|
6.420
|
0.741
|
8.22
|
3.507
| | S.E |
167.6
|
4.479
|
3.210
|
0.371
|
4.112
|
1.754
| | Kurtosis |
2.845
|
1.789
|
−2.728
|
−5.202
|
−2.762
|
3.736
| | Skewness |
1.522
|
0.882
|
−0.424
|
0.139
|
0.561
|
1.911
|
|
|
