Table 8.

The nitrites content of lettuce plants grown under different plasma activated water (PAW I and PAW II) treatment and pot volume (V1 and V2) at 50, 57 and 64 DAT.

Treatment	Pot volume	Nitrites content (mg NaNO2/g DW)
		50 DAT	57 DAT	64 DAT
Control	V1	0.005 ± 0.0001b	0.013 ± 0.0001e	0.01 ± 0.0001d
	V2	0.005 ± 0.0003b	0.004 ± 0.0001a	0.005 ± 0.0001b
PAW I	V1	0.010 ± 0.0001cd	0.014 ± 0.0002f	0.02 ± 0.0003g
	V2	0.009 ± 0.0003c	0.005 ± 0.0001b	0.005 ± 0.0003bd
PAW II	V1	0.012 ± 0.0002e	0.012 ± 0.0005e	0.01 ± 0.0001cd
	V2	0.006 ± 0.0003b	0.006 ± 0.0002b	0.005 ± 0.0001b

Data are presented as mean ± SD (n = 3). Different letters mean significant differences between the groups, according to Tukey posthoc test (P < 0.05).

DAT days after transplanting.