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. Author manuscript; available in PMC: 2024 Sep 5.
Published in final edited form as: J Hazard Mater. 2023 May 30;457:131738. doi: 10.1016/j.jhazmat.2023.131738

Table 2.

Enhanced lead immobilization by inoculation of phosphate solubilizing bacteria in lead contaminated soils

Phosphate solubilizing bacteria Contaminated soil P amendment rate Lead immobilization measurement Enhanced lead immobilization over the control without PSB inoculation References
Pantoea sp. Spiked with Pb(NO3)2 at 2000 mg Pb/kg soil Rock phosphate amendment at 0, 200, 800 mg/kg soil NH4NO3 (1M) extractable Pb concentration after 14 day incubation 8.25–13.7% Park et al., 2011a
Enterobacter sp. Spiked with Pb(NO3)2 at 2000 mg Pb/kg soil Rock phosphate amendment at 0, 200, 800 mg/kg soil NH4NO3 (1M) extractable Pb concentration after 14 day incubation 4.7–26.4% Park et al., 2011a
PSB Consortium:
Enterobacter spp., 92.65% Bacillus spp., 4.90%
Lactococcus spp., 1.65%		 435 mg Pb/kg soil taken at a Pb/Zn smelting site Ca3(PO4)2 amendment at 10.6 mg/g soil Acetic acid (0.11 M) extractable Pb concentration after 15 day incubation 10.81% Yuan et al., 2017
Citrobacter farmeri CFI-01 Spiked with Pb(NO3)2 at 60 and 100 mg Pb/kg soil Soil taken from phosphate mining site with total P of 2 mg/kg. No external P was added NH4NO3 (1M) extractable Pb concentration after 14 day incubation 7.79% and 22.18%, Li et al., 2022
Acinetobacter pittii
gp-1		 Spiked with Pb(NO3)2 at 500 mg Pb/kg soil 1, 2, 3, 4, 5, and 10% Ca3(PO4)2 Acetic acid (0.11 M) extractable Pb concentration after 30 day incubation 8–22% Wan et al., 2020