Prevention effectiveness of soil treatment on bacterial rhizome rot disease of ginger was evaluated in greenhouse conditions during ginger season of 2012. Results of a two factors (2 soil types and 13 soil treatments) experiment, showed that ginger grown in bag using soil treated with lime:urea mixture (50:500 kg/ 1,000m²), Ca(ClO)₂ (5 kg/ l,000m²), or Coc 85WP (3.125 kg/ 1,000m²), then monthly supplied with rhizobacteria (10⁸ cfu/ m² soil surface) have good performance, because of a lower Ralstonia solanacearum population and rhizome rot disease. Disease control effectiveness were higher in sandy soil (collected from Tri Ton district) than in clay soil (collected from Cho Moi district). In conditions of small plot experiment, with monthly supplied rhizobacteria (10⁸ cfu/ m² soil surface) until harvest, the treatment of lime:urea mixture (50:500 kg/ 1,000m²) showed higher rhizome rot disease suppression than of Ca(ClO)₂ (5 kg/ 1,000m²), but the latter one was suggested for application in the field, when considering impacts on physicochemistry of soil. The ginger performance was not effected by any tested treatment.