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

Table 1

Hydrological properties of sands and study cases.

Soil type	USCS (USDA) classification	Sand content (%)	(mm)	Density, (kg/m^3)	Porosity, (%)	Hydraulic conductivity, (m/s)	Study case
I	Poorly graded sand SP (sand)	93.6	1.0	1510	39.6		Case I-A
				1580	37.3		Case I-B
II	Silty sand SM (sandy loam)	67.0	0.4	1519	46.8		Case II-A
				1650	42.2		Case II-B