Contamination Assessment of Durum Wheat and Barley Irrigated with Treated Wastewater through Physiological and Biochemical Effects and Statistical Analyses

Table 1

Physical and chemical characteristics of control soil and wastewater irrigated soil.

	Sample soil	TWW-irrigated soil
pH	6.9 ± 0.2a	8.4 ± 0.4a
C.E (mS)	1.2 ± 0.3b	4.2 ± 0.4a
Salinity	0.7 ± 0.4b	1.9 ± 0.2a
Organic material (%)	0.7 ± 0.3b	2.1 ± 0.5a
K2O (ppm)	68 ± 11b	138 ± 7a
Na^+ (ppm)	7.7 ± 0.6b	19.9 ± 1.2a
K^+ (ppm)	1.0 ± 0.3b	8.3 ± 0.4a
Ca^++ (ppm)	4.2 ± 0.3b	5.8 ± 0.4a
Pb (ppm)	0.24 ± 0.0b	15.6 ± 0.0a
Cd (ppm)	<0.6 ± 0.1b	3.4 ± 0.0a
Zn (ppm)	0.72 ± 0.0b	258.4 ± 0.0a
Cu (ppm)	0.86 ± 0.1b	68.0 ± 0.1a

Means of four replicates. Bars marked with the same letter are not significantly different at .