Risk Assessment of Heavy Metals Pollution in Agricultural Soils of Siling Reservoir Watershed in Zhejiang Province, China

Table 3

Correlation coefficient (𝑟) matrix of selected metals in soil during summer (below the diagonal) and winter (above the diagonal).

	Zn	Cu	Mn	Fe	Cr	Cd	Pb
Zn	1	0.61	−0.08	0.51	0.18	0.37	0.32
Cu	0.65	1	−0.37	0.83	0.46	0.11	0.18
Mn	0.44	0.55	1	−0.18	0.17	0.13	0.30
Fe	0.30	0.27	0.20	1	0.71	−0.08	0.08
Cr	0.52	0.36	0.11	0.86	1	0.19	0.38
Cd	0.30	0.55	0.56	0.15	0.10	1	0.52
Pb	0.33	0.29	0.30	0.58	0.65	−0.02	1

Bold italic values are significant at 𝑃<0.05.