Table 3: Relationships among seven element contents in the FSBs.
| Element | Correlation coefficient and p value | |||||
| P | S | Mg | Zn | Fe | Na | |
| Ca | -0.193 (0.133) | -0.078 (0.549) | 0.616 (< 0.0001) | 0.379 (0.002) | 0.056 (0.669) | 0.338 (0.007) |
| P | 0.240 (0.060) | 0.028 (0.827) | -0.106 (0.411) | -0.101 (0.441) | -0.085 (0.510) | |
| S | 0.434 (0.0004) | -0.036 (0.782) | -0.111 (0.394) | -0.039 (0.766) | ||
| Mg | 0.157 (0.224) | -0.008 (0.952) | 0.341 (0.007) | |||
| Zn | 0.057 (0.659) | 0.220 (0.086) | ||||
| Fe | -0.051 (0.693) | |||||
p Values are indicated in parentheses