Determination of Geographical Origin of Wuchang Rice with the Geographical Indicator by Multielement Analysis

Table 4

Elements for soil samples (0–20 cm and 20–40 cm) among three different regions (µg·g⁻¹).

		Region
		Wuchang	Qiqihar	Jiamusi
Soil (0–20 cm)
Na		1.08 ± 0.454E4	1.10 ± 0.364E4	1.30 ± 0.104E4
Mg		6.49 ± 2.62E3b	8.29 ± 1.79E3a	4.40E3 ± 0.538E3c
Al		5.60 ± 1.87E4	6.32 ± 1.47E4	5.70 ± 0.421E4
K		1.70 ± 0.609E4	1.90 ± 0.509E4	1.84 ± 0.00811E4
Ca		1.09 ± 0.716E4b	1.62 ± 1.08E4a	6.54 ± 1.01E3b
V		75.3 ± 29.2b	94.5 ± 23.7a	87.7 ± 4.87ab
Mn		542 ± 261	675 ± 176	660 ± 410
Fe		2.99 ± 1.17E4b	3.74 ± 0.938E4a	2.90 ± 0.282E4b
Co		11.3 ± 5.17b	14.9 ± 3.64a	13.0 ± 3.28ab
Cu		19.6 ± 7.80b	23.6 ± 5.19a	20.5 ± 1.66ab
Zn		64.7 ± 21.0b	76.3 ± 15.6a	50.3 ± 6.93c
As		9.05 ± 3.81b	11.5 ± 3.11a	10.6 ± 1.473b
Rb		72.1 ± 23.9b	80.9 ± 22.1ab	89.0 ± 20.1a
Sr		140 ± 51.1b	172 ± 45.7a	147 ± 9.05ab
Cd		108 ± 30.3a	118 ± 45.4a	71.0 ± 19.2b
Pb		20.2 ± 7.01b	23.7 ± 6.20ab	25.7 ± 1.41a
Soil (20–40 cm)
Na		1.09 ± 0.446E4b	1.63 ± 0.348E4a	1.47 ± 0.230E4a
Mg		6.70 ± 2.72E3a	8.19 ± 2.11E3a	5.03 ± 1.37E3b
Al		5.88 ± 1.72E4b	7.32 ± 1.76E4a	5.97 ± 0.819E4b
K		1.720 ± 0.541E4b	2.37 ± 0.515E4a	1.99 ± 0.185E4b
Ca		1.17 ± 0.780E4a	1.05 ± 0.26E4a	6.66 ± 1.45E3b
V		81.0 ± 27.9	94.4 ± 28.2	89.5 ± 5.85
Mn		620 ± 303	634 ± 194	633 ± 342
Fe		3.25 ± 1.13E4	3.63 ± 1.14E4	3.05 ± 0.367E4
Co		12.6 ± 5.12	13.2 ± 4.10	12.9 ± 3.07
Cu		20.2 ± 7.51b	26.9 ± 9.87a	19.5 ± 2.23b
Zn		68.5 ± 18.1a	79.2 ± 18.5a	54.1 ± 16.1b
As		10.5 ± 4.15	10.8 ± 3.52	10.5 ± 1.76
Rb		76.1 ± 22.1b	99.7 ± 23.8a	87.1 ± 7.25ab
Sr		147 ± 50.7b	184 ± 37.5a	147 ± 21.6b
Cd		95.4 ± 33.8b	162.0 ± 66.0a	71.6 ± 28.1b
Pb		21.1 ± 6.42b	26.6 ± 7.16a	25.3 ± 1.50a

Different letters in rows are statistically significantly different at .