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. 2025 Feb 26;16:1521692. doi: 10.3389/fmicb.2025.1521692

Table 2.

Heavy metal content in soil after 60 days of different fertilization treatments.

Treatment	Heavy metal content (mg kg⁻¹)
Treatment	As	Hg	Pb	Cd	Cr	Sb
CK	25.3 ± 2.17 ^b	0.07 ± 0.00 ^a	21.88 ± 0.53 ^b	44.94 ± 2.93 ^a	40.16 ± 1.10 ^b	137.74 ± 3.46 ^a
FF	22.34 ± 1.09 ^b	0.069 ± 0.01 ^a	20.05 ± 1.68 ^b	42.08 ± 0.70 ^a	37.77 ± 0.44 ^c	70.73 ± 1.94 ^d
SF	30.03 ± 0.96 ^a	0.078 ± 0.01 ^a	26.81 ± 0.97 ^a	42.64 ± 0.68 ^a	49.12 ± 0.79 ^a	97.73 ± 2.17 ^c
IF	23.86 ± 0.36 ^b	0.069 ± 0.01 ^a	21.01 ± 0.31 ^b	45.51 ± 0.55 ^a	38.9 ± 0.59 ^bc	104.01 ± 0.50 ^b

The superscript ‘abcd’ indicates significant differences.