Fertility Evaluation of Limed Brazilian Soil Polluted with Scrap Metal Residue

Table 1

Heavy metal concentrations of the twelve subareas analyzed.

Subarea	Total content^a
	Ba	Cd	Pb	Cu	Cr	Ni	Zn
	mg kg^−1
SA1^b	311	3.6	332	198	110	52	1,811
SA2^b	696	8.8	632	150	15	39	3,225
SA3^b	322	3.2	357	250	118	48	3,371
SA4^b	𝟔𝟏𝟗	𝟔.𝟒	𝟐𝟓𝟒	𝟏𝟕𝟐	𝟏𝟎𝟓	𝟓𝟓	2,223
SA5^b	327	4.0	238	147	99	32	1,890
SA6^b	306	13.5	198	265	130	30	1,985
SA7^b	263	2.1	178	199	102	41	1,411
SA8^b	314	2.2	211	131	114	49	1,678
SA9^b	881	12.6	438	115	198	52	2,102
SA10^b	365	4.0	167	201	85	102	1,721
SA11^b	487	14.2	451	389	190	61	2,930
SA12^b	291	7.0	244	108	112	51	2,014
Mean	𝟒𝟑𝟐	𝟔.𝟖	𝟑𝟎𝟖	𝟏𝟗𝟒	𝟏𝟏𝟓	𝟓𝟏	2,197
SC^c	𝟏𝟎𝟗	<0.1	𝟏𝟑	𝟕	𝟑𝟒	𝟐.𝟎	20

aSW-846 3051 method [19].
^bContaminated soil sample.
^cUncontaminated soil sample.