The Research of Nanoparticle and Microparticle Hydroxyapatite Amendment in Multiple Heavy Metals Contaminated Soil Remediation

Table 3

Concentration of Pb and Zn in pakchoi (Brassica chinensis L.) grown in Pb-Zn multiple metal-contaminated soil in pot culture receiving mHAP and nHAP amendments (dry weigh).

	Pb		Zn
	Shoot; (mg·kg^−1)	Root; (mg·kg^−1)	Shoot; (mg·kg^−1)	Root; (mg·kg^−1)
T0 (CK)	0.40±0.02^a	2.93±0.15^a	28.05±1.66^bcd	38.29±1.94^f
T0 + 1.5% mHAP	0.34±0.02^a	2.62±0.12^a	24.54±0.99^b	31.88±1.87^d
T0 + 3% mHAP	0.32±0.03^a	2.25±0.10^a	18.45±1.24^a
T0+ 1.5% nHAP
T0 + 3% nHAP
T1
T1 + 1.5% mHAP
T1 + 3% mHAP
T1 + 1.5% nHAP
T1 + 3% nHAP
T2
T2 + 1.5% mHAP
T2 + 3% mHAP	5.09±0.39^e	25.35±1.82^d	26.89±1.55^bc	47.37±3.43^g
T2 + 1.5% nHAP	7.59±0.56^g	37.67±2.04^g	38.44±1.61^f	63.83±5.01^j
T2 + 3% nHAP	5.66±0.50^f	31.20±1.91^f	31.59±1.26^e	52.70±3.38^h

Mean values denoted by the same letter in a column do not differ significantly according to the Duncan test.