Table 1 Cation concentrations and the EDP (mean ± SE) of soils from the ITE.

Water regimeLandscape positionNa
(cmolc kg−1)
K
(cmolc kg−1)
Ca
(cmolc kg−1)
Mg
(cmolc kg−1)
EDP (%)
ControlLowland0.19 ± 0.021.27 ± 0.0826.24 ± 1.165.80 ± 0.453.50 ± 0.18
ControlUpland0.18 ± 0.031.35 ± 0.1019.92 ± 0.406.97 ± 0.223.72 ± 0.14
IrrigatedLowland0.30 ± 0.051.26 ± 0.0826.23 ± 0.756.26 ± 0.383.88 ± 0.22
IrrigatedUpland0.24 ± 0.041.52 ± 0.0623.12 ± 0.436.93 ± 0.364.21 ± 0.22