Table 2. Physicochemical characteristics of the soil before the initiation of the experiment.

Textural class	Sandy Loam
Sand (%)	60 ± 1
Silt (%)	25 ± 0.5
Clay (%)	15 ± 0.3
Saturation (%)	28 ± 1
pH	8.5 ± 0.3
EC (dS/m)	20.5 ± 9
TSS (mmol/L)	205 ± 20
CO32- (mmol/L)	10 ± 2
HCO3- (mmol/L)	30 ± 4
Cl- (mmol/L)	140 ± 19
Ca2+ + Mg2+ (mmol/L)	12 ± 4.5
Na+ (mmol/L)	160 ± 15.2
K+ (mmol/L)	47 ± 7
OM (%)	0.64 ± 0.03