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Abstract ▼ AI-Helper

The effects of diesel oil on the microbial community in sandy loam soil were investigated, and the effects of bioremediation which was performed to enhance the removal of diesel oil from soil were also measured. The residual percentage of diesel oil was about 50% after 16 week incubation period. The...

The effects of diesel oil on the microbial community in sandy loam soil were investigated, and the effects of bioremediation which was performed to enhance the removal of diesel oil from soil were also measured. The residual percentage of diesel oil was about 50% after 16 week incubation period. The bioremediation treatment increased the removal rate at 60~95%. When the soil was contaminated with diesel oil, the direct bacterial count, length of fungal hyphae, aerobic heterotroph and hydrocarbon degrader were increased by 2~3 orders of magnitude. The bioremediation further increased these numbers 10 to 100-fold. There were no difinite patterns of change in fluorescein diacetate hydrolysis activity in bioremediation-untreated soil, but about 10 times of increase of activity was observed in bioremediation-treated soil. Similar change was occurred in soil dehydrogenase activity.

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