Table 4. BCF and TF values.

		Pomodoro Giallo		San Marzano Cirio 3
PTE		BCF	TF	BCF	TF
Cd	5%	0.329	1.340	0.905	0.535
	10%	0.270	1.347	0.543	0.621
	20%	0.068	4.262	0.168	1.613
Cr	5%	0.663	0	0.903	0
	10%	0.264	0.135	0.010	0.141
	20%	0.435	0.008	0.526	0.001
Pb	5%	0.374	0.027	0.460	0.015
	10%	0.602	0.014	0.475	0.017
	20%	0.354	0.023	0.593	0.007

BCF values (bioconcentration factor) and TF values (translocation factor) of Cd, Cr and Pb at different percentages (5, 10 and 20%) in relation to soil Cation-exchange Capacity, in the two tomato cultivars, Pomodoro Giallo and San Marzano Cirio 3.