Heavy metal stabilization in soil was investigated using sulfate-reducing bacteria (SRB). Samples were collected from three agricultural soils near abandoned mines, and a nine-week batch experiment performed following the classification of as ① non-sterile with SO42- (SO4), ② sterile SRB (SRBo), ③ (SS). metals extracted 0.1 N HCl or Mehlich, efficiency evaluated by comparing results to control....