Volume 13, Issue 3 (10-2017)
J Health Syst Res 2017, 13(3): 285-291 |
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Alavi N, Ahmadi M, Jafarzadeh N, Fallahinejad K, Hashemi M, Alamdari M et al . Assessment of Microbial Population Changes in the Phytoremediation of Soil Contaminated with Crude Oil. J Health Syst Res 2017; 13 (3) :285-291
URL: http://hsr.mui.ac.ir/article-1-965-en.html
URL: http://hsr.mui.ac.ir/article-1-965-en.html
Nadali Alavi 
1, Mehdi Ahmadi2 , Nematollah Jafarzadeh3 , Kheibar Fallahinejad4 , Majid Hashemi5 , Maryam Alamdari6 , Iman Parseh7
1, Mehdi Ahmadi2 , Nematollah Jafarzadeh3 , Kheibar Fallahinejad4 , Majid Hashemi5 , Maryam Alamdari6 , Iman Parseh7
1- Associate Professor, Department of Environmental Health Engineering, School of Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran
2- Associate Professor, Department of Environmental Health Engineering, School of Health, Ahvaz University of Medical Sciences, Ahvaz, Iran
3- Professor, Department of Environmental Health Engineering, School of Health, Ahvaz University of Medical Sciences, Ahvaz, Iran
4- Department of Management of Environment, School of Agriculture and Natural Resources, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran
5- PhD Candidate, Department of Environmental Health Engineering, School of Health, Kerman University of Medical Sciences, Kerman, Iran
6- Department of Educational Sciences, School of Educational Sciences, Farhangian University, Kowsar Pardis, Yasuj, Iran
7- PhD Candidate, Student Research Committee AND Department of Environmental Health Engineering, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
2- Associate Professor, Department of Environmental Health Engineering, School of Health, Ahvaz University of Medical Sciences, Ahvaz, Iran
3- Professor, Department of Environmental Health Engineering, School of Health, Ahvaz University of Medical Sciences, Ahvaz, Iran
4- Department of Management of Environment, School of Agriculture and Natural Resources, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran
5- PhD Candidate, Department of Environmental Health Engineering, School of Health, Kerman University of Medical Sciences, Kerman, Iran
6- Department of Educational Sciences, School of Educational Sciences, Farhangian University, Kowsar Pardis, Yasuj, Iran
7- PhD Candidate, Student Research Committee AND Department of Environmental Health Engineering, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
Abstract: (1105 Views)
Background: Phytoremediation is an effective and cost-effective technique for the treatment of polluted soil. To better implement phytoremediation, it is necessary to know the microbial population variation trend. In the present study, microbial population changes were evaluated in rhizosphere and control soil.Methods: The experimental soil was divided into 5 parts, and was polluted with 0.43, 0.86, 1.9, 4.13, and 8.27% (w/w) concentrations of Total Petroleum Hydrocarbons (TPHs). Microbial population variation and initial crude oil concentration were measured using heterotrophic plate count (HPC) and gas chromatography (GC) methods, respectively.Findings: According to the results, the average microbial population in planted (7.55 log10CFU/g) and with nutrient treatments (7.79 log10CFU/g) were significantly (P < 0.05) higher than the treatments without plants (6.629 log10CFU/g) and without nutrients (6.97 log10CFU/g). Moreover, the maximum microbial populations were observed in treatments polluted with 0.86% (w/w) of TPHs (8.372 log10CFU/g).Conclusion: Due to their micronutrient secretion for bacteria, plants and nutrients can increase the microbial population and efficiency of phytoremediation.
Type of Study: Research |
Subject:
education health and promotion
Received: 2020/07/16 | Accepted: 2017/10/15 | Published: 2017/10/15
Received: 2020/07/16 | Accepted: 2017/10/15 | Published: 2017/10/15
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