Volume 11, Issue 4 (Autumn - In Press 2023)
Iran J Health Sci 2023, 11(4): 0-0 |
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Ethics code: IR.IAU.ARAK.REC.1401.037
Clinical trials code: No
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Baghaie A H. Inorganic and Organic Zn Sources and Piriformospora Indica (P.indica) Fungus Can Reduce the Risk of Cd and Pb due to the Lettuce (Lactuca sativa) Consumption Cultivated in the Soil Polluted with Crude Oil. Iran J Health Sci 2023; 11 (4)
URL: http://jhs.mazums.ac.ir/article-1-896-en.html
URL: http://jhs.mazums.ac.ir/article-1-896-en.html
Department of Soil Science, Arak Branch, Islamic Azad University, Arak, Iran. , ambaghaie@yahoo.com
Abstract: (107 Views)
Background and Purpose: Accumulation of heavy metals and petroleum hydrocarbons until reaching the dangerous range can threaten human health through entering the food chain. Therefore this research was done to investigate the effect of inorganic and organic Zn sources and piriformospora indica (P.indica) fungus on reducing the risk of Cd and Pb for the human due to the lettuce consumption
Materials and Methods: This research was done as a factorial arrangement in a completely randomized design. SAS V.9.1 was used to perform statistical analyses. Treatments (54 treatments) consisted of applying organic and inorganic Zn fertilizer at the rates of 0, 20 and 40 kg Zn/ha in a Cd and Pb contaminates (naturally) soil that was simultaneously polluted with crude oil (0, 4 and 8 % (W/W) under cultivation of lettuce inoculated with P.indica. After 4 months, the lettuce plant was harvested and the risk assessment of Pb and Cd was calculated according to the USEPA formula.
Results: Plant inoculation with P.indica significantly decreased the hazard quotient (HQ) factor by 11.4% (0.4 units) for consumer of the lettuce cultivated in the soil polluted with 8 % (W.W) crude oil. Furthermore, using 40 kg/ha Zn pure from Zn-EDTA source in the crude oil polluted soil (4 % (W/W) significantly decreased the HQ factor by 14.3%.
Conclusion: Plant inoculation with P.indica and using inorganic and organic Zn sources had significant effects on decreasing the HQ factor. Although its amount depends on the type of plant, the type of pollution and the physicochemical characteristics of the soil, which should be investigated in separate studies.
Materials and Methods: This research was done as a factorial arrangement in a completely randomized design. SAS V.9.1 was used to perform statistical analyses. Treatments (54 treatments) consisted of applying organic and inorganic Zn fertilizer at the rates of 0, 20 and 40 kg Zn/ha in a Cd and Pb contaminates (naturally) soil that was simultaneously polluted with crude oil (0, 4 and 8 % (W/W) under cultivation of lettuce inoculated with P.indica. After 4 months, the lettuce plant was harvested and the risk assessment of Pb and Cd was calculated according to the USEPA formula.
Results: Plant inoculation with P.indica significantly decreased the hazard quotient (HQ) factor by 11.4% (0.4 units) for consumer of the lettuce cultivated in the soil polluted with 8 % (W.W) crude oil. Furthermore, using 40 kg/ha Zn pure from Zn-EDTA source in the crude oil polluted soil (4 % (W/W) significantly decreased the HQ factor by 14.3%.
Conclusion: Plant inoculation with P.indica and using inorganic and organic Zn sources had significant effects on decreasing the HQ factor. Although its amount depends on the type of plant, the type of pollution and the physicochemical characteristics of the soil, which should be investigated in separate studies.
Type of Study: Original Article |
Subject:
Environmental Health
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