TABLE 1.

SPAD index and dry weight (DW, g) in new leaves of cucumber plants under different Fe treatments [21 days Fe sufficiency (+Fe), 10 days of sufficiency + 7 days of Fe deficiency (−Fe) and 5 days more of refertilization with ⁵⁷Fe ((−Fe) + Fe)] and Si treatments [Si applied to root (+SiR), leaves (+SiF), and no Si (−Si) application].

	+SiR	+SiF	(−Si)
	SPAD index
+Fe	40.4 ± 0.9b	45.9 ± 1.1a	45.4 ± 0.8a
(−Fe)	26.6 ± 0.6a	27.1 ± 1.0a	25.8 ± 0.9a
(−Fe)+Fe	30.9 ± 0.8a	32.4 ± 0.9a	25.6 ± 1.4b
DW (g)
+Fe	0.17 ± 0.03a	0.10 ± 0.06a	0.14 ± 0.05a
(−Fe)	0.17 ± 0.05a	0.15 ± 0.06a	0.10 ± 0.02a
(−Fe)+Fe	0.36 ± 0.13a	0.34 ± 0.10a	0.36 ± 0.07a

The data are the mean ± SE (n = 3). Different letters in the same row showed significant differences according to Duncan’s test (p < 0.05).