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

Table 1

Physical parameters in soil of the study area.

Parameters	Statistics	Dubair	Jijal	Alpuri	Reference
	Range	6.8–8.9	6.8–7.4	5.8–8.0	5.8–7.6
pH	Mean (SD^a)	7.9 (0.6)	7.2 (0.2)	6.9 (0.6)	6.8 (0.5)
	Range	93–308	114–318	108–419	61–163
EC^b  µS cm^−1	Mean (SD)	157 (22)	212 (36)	233 (43)	114 (21)
	Range	2.7–6.3	3.1–5.4	3.1–6.3	1.7–4.4
SOM^c %	Mean (SD)	4.2 (1.3)	3.6 (0.9)	5.3 (1.3)	3.3 (1.1)

aStandard deviation.
^bElectrical conductivity.
^cSoil organic matter.