Bulletin of the National Research Centre

Table 5 Total content of Cd in soil and plant parts in milligrams per kilogram (kenaf first planting season)

From: Phytoremediation of some heavy metals in contaminated soil

Treatment		First planting season (kenaf)
Soil additive	Foliar spraying	Shoot	Root	Whole plant	Initial soil	Soil after first planting	Remediated fraction	Remediation (%)	BCF shoot	BCF root	BCF whole plant
Sulfur	Humic acid	0.36^a	0.87^a	1.23^a	12.82	10.97^k	1.85^a	14.43^a	0.033^a	0.079^a	0.112^a
Sulfur	Gibberellin	0.33^b	0.85^b	1.18^b		11.08^j	1.74^b	13.57^b	0.030^b	0.077^b	0.106^b
Sulfur	Control	0.32^c	0.72^c	1.04^c		11.12ⁱ	1.70^c	13.26^c	0.029^c	0.065^c	0.094^c
Compost	Humic acid	0.25^g	0.35ⁱ	0.61^g		11.45^f	1.37^f	10.69^f	0.022^g	0.031ⁱ	0.053^g
Compost	Gibberellin	0.23^h	0.35ⁱ	0.58ⁱ		11.48^e	1.34^g	10.45^g	0.020^h	0.030^j	0.051^h
Compost	Control	0.19ⁱ	0.30^j	0.48^j		11.50^d	1.32^h	10.30^h	0.017ⁱ	0.026^k	0.042ⁱ
Control	Humic acid	0.27^e	0.53^f	0.80^e		11.28^h	1.54^d	12.01^d	0.024^e	0.047^f	0.071^e
Control	Gibberellin	0.28^d	0.54^e	0.82^d		11.29^g	1.53^e	11.93^e	0.025^d	0.048^e	0.073^d
Control	Control	0.26^f	0.56^d	0.82^d		11.28^h	1.54^d	12.01^d	0.023^f	0.050^d	0.073^d
Vermiculite	Humic acid	0.23^h	0.37^h	0.59^h		11.64^c	1.18ⁱ	9.20ⁱ	0.020^h	0.032^h	0.051^h
Vermiculite	Gibberellin	0.23^h	0.43^g	0.65^f		11.70^b	1.12^j	8.74^j	0.020^h	0.037^g	0.056^f
Vermiculite	Control	0.16^j	0.16^k	0.32^k		11.73^a	1.09^k	8.50^k	0.014^j	0.014^l	0.027^j
Mean		0.26	0.50	0.76		11.38	1.44	11.26	0.023	0.045	0.067
Minimum		0.16	0.16	0.32		10.97	1.09	8.50	0.014	0.014	0.027
Maximum		0.36	0.87	1.23		11.73	1.85	14.43	0.033	0.079	0.112

Values with different letters in a column are significantly different at the 0.05 level
Italics, calculated mean, minimum, and maximum

Back to article page