Spatial Variability of Electrical Conductivity of Desert Soil Irrigated with Treated Wastewater: Implications for Irrigation Management

Table 2

Chemical properties of the wastewater in the study site during 2008 to 2009.

Year	WA	pH	Cl^−	NO3^−	EC	SAR
	cm^3/cm^2		mg/L	mg/L	dS/m
2008	49	9.10±0.19	855.00±127.19	0.66±0.22	5.64±0.72	33.14±1.52
2009*	16	9.15±0.25	890.12±112.32	0.99±0.36	5.21±0.25	35.14±2.01
Average	33	9.12±0.22	872.26±119.755	0.82±0.29	5.42±0.48	34.14±1.76

*Wastewater applied till November 2009.
WA: wastewater applied, Cl⁻: chloride, NO₃⁻: Nitrate, EC: electrical conductivity, SAR; sodium adsorption ratio.
Source: City of Las Cruces.