. 2023 Aug 25;7(8):e2022GH000752. doi: 10.1029/2022GH000752

Table 4.

Translocation Factor (TF), ¹ Bioconcentration Factor (BCF), ² and Mean Dry Biomass of Sunflower With and Without Treatments for Pb Concentrations

Species	Treatment	TF	BCF	Total dry biomass (g)	Root dry biomass (g)	Shoot dry biomass (g)
Helianthus annuus (Sunflower)	No treatment	0.19^a	0.049^a	29.4^a	2.38^a	27.0^a
	EDTA	0.56^b	0.12^b	27.6^a	2.21^a	25.4^a
	Compost	0.19^a	0.045^a	32.6^a	3.85^b	28.7^a

Note. ^abWithin a column, means without a common superscript differ (p < 0.05).

^¹

TF = Metal concentration in the shoot of the plant (mg/kg DW)/Metal concentration in the root of the plant (mg/kg DW).

^²

BCF = Metal concentration in the plant (mg/kg DW)/Metal concentration in soil (mg/kg).