Effect of Organic and Inorganic Iron Sources on Pb Concentration of the Plants Grown in the Soil Treated with the Biochar of Arak Municipal Sewage Sludge
Publish Year: 1402
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JHEHP-9-2_008
تاریخ نمایه سازی: 15 مهر 1402
Abstract:
Background: This study investigated the effect of inorganic and organic sources of iron on Pb availability in soil.
Methods: The treatments involved applying organic and inorganic Fe sources at the rate of ۰, ۳۰, and ۶۰ kg/ha pure Fe from different sources in the Pb-polluted soil treated with municipal sewage sludge biochar (MSSB). Corn was chosen as the tested plant in this experiment. The plants were collected after ۹۰ days, and the Pb concentration in the soil and plants was determined using atomic absorption spectroscopy (AAS). Further, the plant enzyme activity was determined.
Results: Soil application of ethylenediamine Di-۲-Hydroxyphenyl Acetate Ferric (Fe-EDDHA) had the greatest efficiency in reducing the soil and plant concentration. Using ۳۰ kg Fe/ha from Fe-EDDHA relative to iron slag and FeSo۴ source significantly decreased the plant Pb concentration by ۱۱.۶ and ۹.۸%, respectively. For ascorbate peroxidase (APX) and peroxidases (POX) enzyme activity, it was decreased by ۱۷.۲ and ۱۵.۴%, respectively.
Conclusion: Considering the results of this research, using inorganic and organic Fe sources in soil treated with MSSB had a substantial impact in reducing the soil and plant Pb concentration which is an advantage of environmental studies.
Keywords:
Authors
Masoumeh Abedi
Department of Environment, Arak Branch, Islamic Azad University, Arak, Iran.
Amir Hossein Baghaie
Department of Soil-Science, Arak Branch, Islamic Azad University, Arak, Iran; Department of Development and Agricultural Economics, Food Security Research Institute, Arak Branch, Islamic Azad University, Arak, Iran.
Hamid Toranjzar
Department of Environment, Arak Branch, Islamic Azad University, Arak, Iran.
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