Integrated Electrokinetics-Adsorption Remediation of Saline-Sodic Soils: Effects of Voltage Gradient and Contaminant Concentration on Soil Electrical Conductivity

Table 1

Information on the independent variables.

Variable	Designation	Units	Coded variable levels
			−1	0	+1
Polarity reversal	A	Hours	0	24	48
Voltage gradient	B	V/cm	0.2	0.6	1
Concentration	C	mg/kg	20	60	100