Wild Plant Assessment for Heavy Metal Phytoremediation Potential along the Mafic and Ultramafic Terrain in Northern Pakistan

Table 4

The Pearson correlation of physiochemical parameters in soil (𝑛=126).

Parameters	pH	EC	SOM	Na	K	Ca	Mg	Fe	Mn	Cr	Ni	Co	Cu	Pb	Zn	Cd
pH	1.000
EC	−0.329	1.000
SOM	−0.234	0.252	1.000
Na	−0.298	0.188	0.099	1.000
K	−0.505	0.269	0.311	0.289	1.000
Ca	0.195	−0.087	−0.150	0.061	−0.115	1.000
Mg	0.692	−0.313	−0.358	−0.365	−0.624	0.091	1.000
Fe	−0.147	−0.144	0.096	0.168	0.245	−0.037	−0.040	1.000
Mn	−0.131	0.303	0.376	0.154	0.283	−0.003	−0.343	0.209	1.000
Cr	−0.015	−0.174	−0.044	−0.011	−0.037	0.361	0.043	0.491	−0.003	1.000
Ni	0.305	0.078	0.226	−0.312	−0.227	−0.476	0.378	0.140	0.304	0.565	1.000
Co	−0.403	0.093	0.077	0.140	0.147	−0.036	−0.200	0.514	0.234	0.504	0.098	1.000
Cu	−0.065	−0.031	−0.015	0.091	0.242	0.208	−0.182	0.352	−0.052	0.560	−0.215	0.209	1.000
Pb	−0.047	0.039	−0.007	0.010	−0.082	−0.191	0.311	0.080	−0.079	−0.079	0.041	0.040	−0.102	1.000
Zn	−0.138	0.263	0.139	0.019	0.211	−0.179	−0.151	0.369	0.249	0.090	0.041	0.073	−0.006	0.051	1.000
Cd	−0.165	0.048	−0.184	0.049	0.119	0.111	−0.042	0.315	−0.208	0.156	−0.211	0.173	0.464	0.031	0.253	1.000

Bold correlation is significant at the 0.01 level (2-tailed).
Italic correlation is significant at the 0.05 level (2-tailed).