Table 3 Arsenic in soils and the parameters of its accumulation in plants—field study.

Site	Patch	As in soil, mg kg⁻¹			As in plants, mg kg⁻¹		BAF
		Total		Extracted with 1 M NH₄NO₃	Roots	Shoots	Roots	Shoots
		in patches	Mean ± SD in the site	Extracted with 1 M NH₄NO₃	Roots	Shoots	Roots	Shoots
S1	P1	19,900	20,300 ± 5200	19.60	94.6	4.43	0.005	0.0002
	P2	25,700		7.70	2300	35.9	0.089	0.0014
	P3	15,300		6.62	82.1	3.37	0.005	0.0002
S2	P1	3110	3550 ± 1030	4.83	190	7.43	0.061	0.0024
	P2	4720		7.19	330	9.4	0.070	0.0020
	P3	2810		3.56	270	11.9	0.096	0.0042
S3	P1	135	95 ± 39	1.60	7.8	1.3	0.058	0.0096
	P2	69		0.30	83.6	16.7	1.212	0.24
	P3	82		0.31	67.1	10.7	0.818	0.13
S4	P1	339	395 ± 119	0.18	85.5	3.2	0.252	0.0094
	P2	312		0.20	93.9	5.4	0.301	0.0173
	P3	530		0.53	42.5	1.2	0.080	0.0023

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