Enhanced Bioremediation of Soil Artificially Contaminated with Petroleum Hydrocarbons after Amendment with Capra aegagrus hircus (Goat) Manure

Table 3

Changes in physicochemical properties of unamended soil sample.

Parameters	Day 0	Day 14	Day 28	Day 42
pH	6.64	6.60	6.57	6.59
Temperature, °C	28.1	28.4	28.1	28.3
Electrical conductivity, S/cm	292.92	288.56	281.44	278.56
Total organic carbon, mg/kg	4200	4159	4088	4004
Total nitrogen, mg/kg	101.22	99.87	96.78	94.11
Available phosphorus, mg/kg	77.59	71.09	68.22	67.05
Available potassium, mg/kg	67.48	62.69	60.44	58.69
TPH, mg/kg	31550	30550	29860	28980