TABLE 3.

Chemical remediation of Cd-contaminated soil.

Crop	Cd concentration in soil	Chelate applied	Dose	Cd uptake		References
				Control	Chelate treated
Cicer arietinum L.	200 μM CdCl2.	EGTA	100 μM	300 μg g–1	195 μg g–1	Sakouhi et al., 2016
Brassica napus	0.37 mg kg–1		100 kg ha–1	0.44 mg kg–1	0.33 mg kg–1	Bloem et al., 2016
	0.37 mg kg–1		500 kg ha–1	0.44 mg kg–1	0.25 mg kg–1
	0.37 mg kg–1		1000 kg ha–1	0.44 mg kg–1	0.24 mg kg–1
Neyraudia reynaudiana	–	EDTA	2.5 m mol kg–1	98 mg kg–1	184 mg kg–1	Li Z. et al., 2018
Neyraudia reynaudiana	–	EDTA	5 m mol kg–1	98 mg kg–1	86 mg kg–1	Li Z. et al., 2018
Amaranthus hybridus L.	30.15 mg kg–1	EDDS	5.0 mmol kg–1	99 mg kg–1	146 mg kg–1	Li Z. et al., 2018
Amaranthus hypochondriacus L.	2.12 mg/kg	GLDA	3 mM	15 mg kg–1	44 mg kg–1	Wang et al., 2019
	2.12 mg/kg	GLDA	5 mM	15 mg kg–1	49 mg kg–1
	2.12 mg/kg	NTA	3 mM	15 mg kg–1	51.5 mg kg–1
	2.12 mg/kg	NTA	5 mM	15 mg kg–1	37.5 mg kg–1
	2.12 mg/kg	CA	3 mM	15 mg kg–1	23 mg kg–1
	2.12 mg/kg	CA	5 mM	15 mg kg–1	27 mg kg–1
	2.12 mg/kg	EDDS	3 mM	15 mg kg–1	44 mg kg–1
	2.12 mg/kg	EDDS	5 mM	15 mg kg–1	35 mg kg–1
Amaranthus hypochondriacus L.	2.89 mg/kg	GLDA	3 mM	18 mg kg–1	36.5 mg kg–1
	2.89 mg/kg	GLDA	5 mM	18 mg kg–1	39 mg kg–1
	2.89 mg/kg	NTA	3 mM	18 mg kg–1	37.5 mg kg–1
	2.89 mg/kg	NTA	5 mM	18 mg kg–1	32.5 mg kg–1
	2.89 mg/kg	CA	3 mM	18 mg kg–1	24.5 mg kg–1
	2.89 mg/kg	CA	5 mM	18 mg kg–1	26 mg kg–1
	2.89 mg/kg	EDDS	3 mM	18 mg kg–1	37 mg kg–1
	2.89 mg/kg	EDDS	5 mM	18 mg kg–1	30 mg kg–1
Helianthus annuus L.	50 mg kg_1	EDDS	5 mmol kg–1	1.7 mg pot–1	1.6 mg pot–1	Moslehi et al., 2019
	100 mg kg_1	EDDS	5 mmol kg–1	2.9 mg pot–1	2.4 mg pot–1
Tagetes patula L.	2.44 mg kg–1	EDDS	1 mM	832.11 μg/pot	1081.2 μg/pot
	2.44 mg kg–1	EDDS	3 mM	832.11 μg/pot	1088.9 μg/pot
	2.44 mg kg–1	EDDS	5 mM	832.11 μg/pot	619.5 μg/pot
Phytolacca americana L.	2.44 mg kg–1	EDDS	1 mM	16.42 μg/pot	72.3 μg/pot
	2.44 mg kg–1	EDDS	3 mM	16.42 μg/pot	144.8 μg/pot
	2.44 mg kg–1	EDDS	5 mM	16.42 μg/pot	64.3 μg/pot