Table 1.

Physicochemical characteristics of polluted soil before washing.

Characteristics	Unit	Value
EC	dS.m−1	0.7
pH	—	7.8
Soil texture	—	Clay loam
Sand	%	34
Silt		37
Clay		29
SOM		1.03
CCE		21
CEC	cmol+.kg−1	17
Total Zn	mg.kg−1	5657