Evaluation of Simulated Petroleum Hydrocarbon on the Physicochemical Properties of Soil

Figure 2.

a. Porosity at Different Contamination Levels (Error bar is standard error at 0.05); b. Bulk Density at Different Contamination Levels; c. pH at Different Contamination Levels; d. Organic Carbon at Different Contamination Levels; e. Available P at Different Contamination Levels; f. Organic Matter at Different Contamination Levels