. 2017 Apr 14;24(16):14091–14103. doi: 10.1007/s11356-017-8944-2

Table 2.

Characteristics of experimental areas of plant samples collection with data of elements concentration [mg kg⁻¹ DW] in soil

Data	Unit	Sława Wielkopolska village		Czerwonak village
		petrol station	road	petrol station	road
		Area 1 (A1)	Area 2 (A2)	Area 3 (A3)	Area 4 (A4)
GPS* position		52°38′3.86″N 17°8′35.25″E	52°38′15.50″N 17° 8′39.05″E	52°27′25.52″N 16°59′3.27″E	52°27′37.94″N 16°59′1.48″E
Elevation*	m	78	79	62	64
Element		Chemical characteristics of soil
P	mg kg⁻¹	505^a ± 61	416^a ± 11	468^a ± 39	440^a ± 20
S	%	0.021^a ± 0.002	0.023^a ± 0.002	0.019^a ± 0.002	0.020^a ± 0.001
Ca	mg kg⁻¹	1240^b ± 30	1210^b ± 90	9540^a ± 690	9520^a ± 250
K	mg kg⁻¹	400^b ± 23	456^b ± 34	983^a ± 30	866^a ± 63
Mg	mg kg⁻¹	554^b ± 18	606^b ± 113	1210^a ± 90	1160^a ± 60
Na	mg kg⁻¹	94^b ± 10	118^ab ± 17	142^ab ± 18	150^a ± 21
		LREEs
Ce	mg kg⁻¹	19.3^b ± 1.6	19.5^b ± 1.8	25.9^a ± 0.8	24.2^a ± 1.3
Eu		0.19^ab ± 0.02	0.15^b ± 0.01	0.23^a ± 0.02	0.22^a ± 0.03
Gd		0.24^b ± 0.01	0.21^b ± 0.02	1.91^a ± 0.06	1.86^a ± 0.15
La		1.02^b ± 0.03	0.95^b ± 0.03	6.75^a ± 0.23	6.27^a ± 0.46
Nd		7.31^b ± 0.07	7.75^b ± 0.68	14.1^a ± 0.8	13.4^a ± 0.4
Pr		1.01^b ± 0.05	1.06^b ± 0.13	1.80^a ± 0.16	1.55^a ± 0.11
Sm		0.04^a ± 0.02	0.04^a ± 0.01	0.03^a ± 0.02	0.05^a ± 0.01
		HREEs
Dy	mg kg⁻¹	0.90^a ± 0.02	0.83^a ± 0.06	0.64^b ± 0.04	0.65^b ± 0.02
Er		28.5^b ± 2.4	30.8^b ± 1.3	48.1^a ± 3.0	45.9^a ± 1.1
Ho		bDL**	bDL	0.04^a ± 0.02	0.04^a ± 0.01
Lu		0.11^c ± 0.02	0.12^c ± 0.01	0.19^a ± 0.03	0.18^b ± 0.01
Sc		0.41^b ± 0.02	0.40^b ± 0.02	0.94^a ± 0.04	0.88^a ± 0.03
Tb		0.11^b ± 0.02	0.13^b ± 0.02	0.26^a ± 0.03	0.27^a ± 0.02
Tm		0.41^c ± 0.03	0.45^c ± 0.02	1.20^a ± 0.03	1.05^b ± 0.03
Yb		0.26^b ± 0.02	0.28^b ± 0.02	0.38^a ± 0.02	0.36^a ± 0.03
Y		1.79^b ± 0.15	1.93^b ± 0.05	2.68^a ± 0.04	2.53^a ± 0.08
pH		6.29^ab ± 0.02	6.35^a ± 0.01	6.21^b ± 0.03	6.25^b ± 0.04
EC	mS cm⁻¹	498^bc ± 24	464^c ± 14	623^a ± 11	555^b ± 23
Redox	eV	218^a ± 14	216^a ± 13	258^a ± 18	238^a ± 22

*determined using the Global Positioning System (GPS) by GPS Navigator Oregon 550 t (Garmin, USA)

**bDL–below Detection Limit