Khalil, H.M and M.A. Esmaeil( 2014). The Relationship Between Petroleum Crude Oil Components And The Ability Of Barley Plant To Growth And Absorption Of Elements From Contaminated SoilEgypt. J. of Appl. Sci., 29 (10) 2014 1042-1057
Abstract: This study was conducted to determine the effect of petroleum crude oil and its hydrocarbons and heavy metals components on the productivity of the crop and the absorption of some nutrients due to pollution. Two soil types of sandy and calcareous were contaminated with crude oil at a rate of 1, 2 and 3% (volume by weight). Pots were seeded with barley seeds. One month later after planting, barley plant samples were collected from each and also at the end of the experiment as well. There were high significant differences between dry weight of barley plants in non-contaminated samples (the control) and contaminated samples with different levels of crude oil. The totalconcentrations of nitrogen, phosphorus and potassium in plant samples and soil under study were also estimated. Their highest concentrations in the plant samples were due to the contaminated sandy and calcareous soil, while the lowest concentrations of them were due to the samples contaminated with 3% of the crude petroleum oil. Statistically there were significant differences between the non-contaminated samples (the control) and those contaminated with oil at all tested levels, which confirm the negative and harmful impact of the petroleum crude oil when polluted the soil and also on the productivity of barley crop and its nutrients content.
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