Optimization of Subsurface Smart Irrigation System for Sandy Soils of Arid Climate

Table 3

Soil parameters adopted for unsaturated flow models.

Test case	Description	Initial water content, (%)	Initial suction, (kPa)	Saturated water content, (%)
Case I-A	Loose to medium sand	2	25	39.6
Case I-B	Medium to dense sand	2	25	37.3
Case II-A	Loose to medium sandy loam	2	30	46.8
Case II-B	Medium to dense sandy loam	2	30	42.2