Effects of Irrigation with Treated Wastewater on Root and Fruit Mineral Elements of Chemlali Olive Cultivar

Table 5

Fruits mineral elements content in the three treatments: rainfed (RF), well water (WW), and treated wastewater (TWW) in 2004 (“on” year).

Parameter	Period	RF	WW	TWW
N (% d.m.)	Summer	0.60^bA	0.64^bA	0.73^aA
	Autumn	0.52^bB	0.52^bB	0.63^aB
P (% d.m.)	Summer	0.17^cA	0.22^bA	0.28^aA
	Autumn	0.09^cB	0.12^bB	0.17^aB
K (% d.m.)	Summer	0.60^cB	1.20^bB	1.50^aB
	Autumn	0.90^cA	1.50^bA	1.90^aA
Ca (% d.m.)	Summer	1.73^bA	3.00^aA	2.80^aA
	Autumn	0.95^bB	1.75^aB	1.50^aB
Mg (% d.m.)	Summer	0.60^aA	0.34^bA	0.34^bA
	Autumn	0.06^bB	0.20^aB	0.21^aB
Na (% d.m.)	Summer	0.01^bA	0.04^aB	0.03^aA
	Autumn	0.01^bA	0.07^aA	0.05^aA
Cl (% d.m.)	Summer	0.04^bB	0.20^aB	0.22^aB
	Autumn	0.08^bA	0.32^aA	0.27^aA
Zn (mg kg^−1)	Summer	4.50^cB	6.72^bB	9.77^aB
	Autumn	10.00^cA	18.65^bA	25.40^aA
Mn (mg kg^−1)	Summer	4.00^cB	5.70^bB	7.82^aB
	Autumn	6.00^cA	8.46^bA	10.00^aA

Small letters indicate significant differences (𝑃≤0.05) among treatments within each season according to LSD test. Capital letters indicate significant differences (𝑃≤0.05) among seasons within each treatment according to LSD test.