Sustainable Management of Calcareous Saline-Sodic Soil in Arid Environments: The Leaching Process in the Jordan Valley

Table 2

Exchangeable cation concentrations (meq/100 g soil), electrical conductivity (dS/cm), and pH of saturated soil paste extract after the leaching experiment.

Treatment	Exchangeable cations (meq/100 g)			EC ± Std error	pH ± Std error
	K ± Std error	Na ± Std error	Ca & Mg ± Std error
	Soil depth (0–50 cm)
A
B
C
	Soil depth (50–100 cm)
A
B
C
	Soil depth (100–150 cm)
A
B
C

Superscript letters a, b, and c: statistical analysis significance at 95% confidence limit. Treatments followed by the same superscript letters were not significantly different at .
Std error: standard error.