The Isolation and Identification of Bacteria with the Remediation Potential of Calcerous Soil
Öz
Soil salinity and sodicity is a negative stress widely observed for agricultural production in the world. In saline and sodic soils, inter particulate distances increases by enhancing the repulsive forces because of high Na+ ion concentration. As a results, this undesirable situation results in dispersion of the soil, loss of porosity, reduction of water permeability in the soil profile. Besides, the crop production of this soil is very poor because of high pH, exchangeable Na+, deficiency of plant nutrients, high concentration of carbonates and bicarbonates. Considering the big need for the arable lands in the world, the remediation of these soil with effective methods will be the right approach. In this study, it was aimed to isolate and identify the bacteria with carbonate dissolution ability, which had potential to remediate calcerous soils from Dereli/Giresun/Turkey. According to the results, two isolates (Bacillus sp. and Chromohalobacter sp.) were determined that they were capable of CaCO3 dissolution. Only one isolate (Halomonas sp.) exhibited potential of both CaCO3 and MgCO3 dissolution.
Anahtar Kelimeler
Kaynakça
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