. 2015 Sep 23;6:752. doi: 10.3389/fpls.2015.00752

Table 4.

Soluble and available Fe, Mn, Zn, and Cu extracted from soils 20 DAT.

		Soluble metal in soil (mg kg^-1)				Available metal in soil (mg kg^-1)
		Fe	Mn	Zn	Cu	Fe	Mn	Zn	Cu
T-1	o,o-EDDHA/Fe³⁺ MnZn–EDTA	0.298^bc	0.0237^a	0.0550^b	0.0398^b	12.8 ns	10.3 ns	3.32 ns	3.14 ns
T-2	o,o-EDDHA/Fe³⁺ MnZn–DTPA	0.372^a	0.0142^abc	0.232^a	0.0981^a	15.4	10.0	3.94	3.20
T-3	o,o-EDDHA/Fe³⁺ MnZn–EDDS	0.355^ab	0.0163^ab	Bdl	0.0365^b	15.3	13.1	4.48	4.25
T-4	FeMnZn–EDDHA_m	0.261^cd	0.00227^c	Bdl	0.0231^b	16.4	12.0	4.07	4.25
T-5	FeZn-EDDHA_m Mn–EDTA	0.212^d	0.00473^bc	0.0446^b	0.0395^b	14.2	9.44	3.31	3.51
Control	o,o-EDDHA/Fe³⁺	0.261^cd	0.00685^bc	0.0362^b	0.0373^b	12.6	7.90	3.25	2.86

In each data range, different letters denote significant differences among the treatments according to Duncan’s test (p < 0.05). ns, not significant; bdl, below detection limit.