The Level of Heavy Metal Contamination in Selected Vegetables and Animal Feed Grasses Grown in Wastewater Irrigated Area, around Asmara, Eritrea

Table 5

Pearson’s correlation matrix of heavy metals elements in the studied plant species.

	Al	Cd	Co	Cr	Cu	Fe	Mn	Mo	Pb	V	Zn
Al	1.00
Cd	0.25	1.00
Co	0.77	0.30	1.00
Cr	0.94	0.11	0.81	1.00
Cu	−0.13	−0.46	0.21	0.10	1.00
Fe	0.98	0.31	0.79	0.94	−0.12	1.00
Mn	−0.12	−0.27	0.46	0.10	0.77	−0.08	1.00
Mo	0.46	0.04	0.16	0.46	−0.24	0.35	−0.31	1.00
Pb	0.75	0.52	0.64	0.63	−0.21	0.80	−0.21	−0.07	1.00
V	0.97	0.40	0.79	0.91	−0.20	0.99	−0.10	0.35	0.80	1.00
Zn	0.18	0.10	0.19	0.21	0.15	0.24	0.27	−0.20	0.00	0.26	1.00

Significant correlation at ; significant correlation at .