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Phytoremediation of a petroleum-polluted soil by native plant species in Lorestan Province, Iran

  • Environmental planning and management
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Abstract

Petroleum hydrocarbons are potentially toxic for organisms due to the inherent properties, such as solubility, volatility, and biodegradability. The petroleum materials released from corroded old pipelines would pollute soils, shallow groundwater and air as a consequence, and threat the health of human and environment. Therefore, the removal of these compounds from environment is vital. The stability of these pollutants at the soil and their gradual accumulation over time would disrupt the normal function of the soil, such as reduced agricultural capability. In this research, the influence of two plant species (Bromus tectorum L. and Festuca arundinacea) with different amendments including arbuscular mycorrhizal fungi, alfalfa residues, and nutrient solution on the degradation rate of petroleum hydrocarbons in soil was studied. The results showed that the most effective treatment for petroleum remediation was related to B. tectorum L. plant when treated with mycorrhizal fungi and nutrient solution. The degradation rate during 40 days was about 83.27% when compared to the control. Arbuscular mycorrhizal associations are important in the restoration of degraded ecosystems because of the benefits to their symbiotic partners. This fungal phytotechnological mechanism is still in its infancy and there has been little research on aged-contaminated soils.

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Correspondence to Ebrahim Hatami.

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Responsible editor: Elena Maestri

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Hatami, E., Abbaspour, A. & Dorostkar, V. Phytoremediation of a petroleum-polluted soil by native plant species in Lorestan Province, Iran. Environ Sci Pollut Res 26, 24323–24330 (2019). https://doi.org/10.1007/s11356-018-1297-7

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  • DOI: https://doi.org/10.1007/s11356-018-1297-7

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