Effects of Crude Oil Spillage on Soil Physico-Chemical Properties in Ugborodo Community
Journal Title: International Journal of Modern Engineering Research (IJMER) - Year 2013, Vol 3, Issue 6
Abstract
An oil prone community were identified as the study area, and this community has three quarters which are Orgonoko, Kana and Arunton. Soil samples were collected at the depths of 0-15 cm and 15-30cm at each sampling point.Four (4) samples each were collected from each quarters. These soil samples were analysed for physico-chemical properties that reflect soil nutrient content and fertility status in the laboratory using standard methods and the results from these three areas compared. Evidence of severe hydrocarbon contamination was established by high average extractable hydrocarbon content of 66,034mg/kg in Orgonoko and 31,328mg/kg in Kana and was compared to that of Arunton having total hydrocarbon content of 882mg/kg. High electrical conductivity as well as high moisture content all provided evidence of reduced metabolic activities on the affected sites (Orgonoko and Kana) explains the relatively high total organic carbon values obtained. Also, there were increase in the salinity levels of 24ppm and 13ppm for Orgonoko and Kana quarters respectively when compared to 6ppm in Arunton quarter. From the data obtained, the average pH value in samples analysed in Orgonoko area was 5.3 and that obtained in Kana was 5.7. Both values shows that the soils in these areas are acidic compared to the pH in Arunton which has the average value of 6.1. A pH value between 6.5 and 7.5 is considered optimum for the growth of many plants.
Authors and Affiliations
oyem, I Lawrence Rank,
Keywords
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