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The Effect of Rhizosphere Soil and Root Tissues Amendment on Microbial Mineralisation of Target 14C–Hydrocarbons in Contaminated Soil

Aniefiok E. Ite, Olusoji O. Adebisi, Nicola F. Hanney, Kirk T. Semple

International Journal of Environmental Bioremediation & Biodegradation. 2016, 4(2), 21-34 doi:10.12691/ijebb-4-2-1
  • Figure 1. Microbial Mineralisation of 14C–naphthalene in artificially spiked soil in the absence and presence of 5% (wet weight) of (A) rhizosphere or (B) root tissue at 0 d; and (C) rhizosphere or (D) root tissue after 28 d soil–organic contaminant pre–exposure. Plant saples used: Reed Canary Grass (●); Channel Grass (○); Blackberry (■); Goat Willow (□) or unamended soil (control) (▲). Data are presented as means (n = 3) and the errror bars are the standard error of mean (SEM)
  • Figure 2. Microbial Mineralisation of 14C–phenanthrene in artificially spiked soil in the absence and presence of 5% (wet weight) of (A) rhizosphere or (B) root tissue at 0 d; and (C) rhizosphere or (D) root tissue after 28 d soil–organic contaminant pre–exposure. Plant saples used: Reed Canary Grass (●); Channel Grass (○); Blackberry (■); Goat Willow (□) or unamended soil (control) (▲). Data are presented as means (n = 3) and the errror bars are the standard error of mean (SEM)
  • Figure 3. Microbial Mineralisation of 14C–hexadecane in artificially spiked soil in the absence and presence of 5% (wet weight) of (A) rhizosphere or (B) root tissue at 0 d; and (C) rhizosphere or (D) root tissue after 28 d soil–organic contaminant pre–exposure. Plant saples used: Reed Canary Grass (●); Channel Grass (○); Blackberry (■); Goat Willow (□) or unamended soil (control) (▲). Data are presented as means (n = 3) and the errror bars are the standard error of mean (SEM)
  • Figure 4. Microbial Mineralisation of 14C–octacosane in artificially spiked soil in the absence and presence of 5% (wet weight) of (A) rhizosphere or (B) root tissue at 0 d; and (C) rhizosphere or (D) root tissue after 28 d soil–organic contaminant pre–exposure. Plant saples used: Reed Canary Grass (●); Channel Grass (○); Blackberry (■); Goat Willow (□) or unamended soil (control) (▲). Data are presented as means (n = 3) and the errror bars are the standard error of mean (SEM)