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. 2018 Mar 22;15(4):571. doi: 10.3390/ijerph15040571

Table 5.

The correlation coefficient of parameters to the factors of pH, lgCr, LCr, LCr6+, PCr6+, and LRCr in the different depths of soil.

Parameter Depth (m) P-BD (n = 29) N-BD (n = 22)
pH LCr6+ LCr PCr6+ LRCr lgCr pH LCr6+ LCr PCr6+ LRCr lgCr
b 0.0–0.2 0.07 0.15 0.16 −0.12 0.32 −0.35 −0.16 −0.45 * −0.48 * 0.01 0.28 −0.38
0.2–0.6 −0.14 −0.15 −0.07 −0.07 0.22 −0.43 * −0.04 −0.23 −0.21 0.07 0.58 ** −0.60 **
0.6–1.2 −0.18 0.30 0.29 −0.06 0.34 −0.3 0.02 −0.45 * −0.41 * −0.26 −0.16 −0.53 *
1.2–2.0 −0.07 0.25 0.26 −0.10 0.31 −0.44 * −0.20 −0.18 −0.09 −0.52 * 0.65 ** −0.63 **
2.0–3.0 −0.13 0.22 0.24 0.02 0.27 −0.14 −0.37 0.12 0.07 −0.01 0.49 * −0.34
3.0–4.0 −0.13 0.37 * 0.34 0.26 0.47 * 0.04 −0.3 0.18 0.39 −0.09 0.54 * −0.13
4.0–5.0 −0.09 0.40 * 0.40 * 0.23 0.48 * 0.06 −0.26 0.58 ** 0.57 ** 0.10 0.56 ** −0.14
5.0–6.0 −0.01 0.39 * 0.38 * 0.59 ** 0.48 * 0.28 −0.27 0.58 ** 0.62 ** −0.38 0.37 −0.03
6.0–8.0 −0.02 0.41 * 0.40 * 0.38 * 0.33 0.21 0.16 0.47 * 0.48 * −0.42 0.26 0.10
8.0–10.0 −0.33 0.42 * 0.43 * 0.11 0.33 −0.10 0.21 0.56 ** 0.53 * 0.06 0.62 ** −0.13
10.0–12.0 −0.24 0.35 * 0.38 * −0.02 0.35 * −0.02 0.26 0.47 * 0.47 * 0.41 0.30 0.09
12.0–14.0 −0.28 0.38 * 0.38 * 0.26 0.39 * −0.02 −0.17 0.58 ** 0.57 ** 0.40 0.56 ** 0.06
c 0.0–0.2 0.35 * 0.41 * 0.28 0.56 ** −0.08 0.69 ** 0.47 * 0.57 ** 0.63 ** −0.11 −0.36 0.54 *
0.2–0.6 0.59 ** 0.47 * 0.42 * 0.07 −0.03 0.88 ** 0.46 * 0.44 * 0.45 * −0.27 −0.70 ** 0.92 **
0.6–1.2 0.57 ** 0.13 0.12 0.56 ** −0.05 0.91 ** 0.44 * 0.62 ** 0.62 ** 0.02 −0.07 0.80 **
1.2–2.0 0.50 ** 0.08 0.06 0.30 −0.03 0.85 ** 0.67 ** 0.40 0.37 0.34 −0.64 ** 0.84**
2.0–3.0 0.71 ** 0.29 0.28 0.34 0.09 0.73 ** 0.80 ** 0.25 0.35 −0.14 −0.60 ** 0.82 **
3.0–4.0 0.73 ** 0.19 0.19 −0.06 −0.23 0.60 ** 0.71 ** −0.07 −0.03 −0.13 −0.74 ** 0.71 **
4.0–5.0 0.55 ** 0.06 0.04 −0.03 −0.13 0.56 ** 0.63 ** −0.30 −0.23 −0.13 −0.75 ** 0.60 **
5.0–6.0 0.56 ** 0.01 0.01 −0.01 −0.13 0.43 * 0.64 ** −0.52 * −0.58 ** 0.26 −0.74 ** 0.57 **
6.0–8.0 0.53 ** 0.01 0.01 −0.13 −0.04 0.19 0.31 −0.15 −0.15 0.20 −0.28 0.27
8.0–10.0 0.59 ** −0.05 −0.04 0.02 −0.09 0.30 0.01 −0.30 −0.27 0.17 −0.60 ** 0.45 *
10.0–12.0 0.38 * −0.06 −0.03 −0.12 −0.27 0.41 * −0.07 −0.17 −0.15 −0.25 −0.10 0.15
12.0–14.0 0.32 −0.07 −0.08 −0.25 −0.15 0.03 0.31 −0.38 −0.29 −0.41 −0.51 * 0.25

* Correlation is significant at the 0.05 level (two-tailed); ** Correlation is significant at the 0.01 level (two-tailed).