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Title: | Zeolite-Assisted Immobilization and Health Risks of Potentially Toxic Elements in Wastewater-Irrigated Soil under Brinjal (Solanum melongena) Cultivation | Authors: | Farooqi, Zia Ur Rahman Ahmad, Iftikhar Abdul Qadir, Ayesha Murtaza, Ghulam Rafiq, Sana Jamal, Aftab Zeeshan, Nukshab Murtaza, Behzad Javed, Wasim Radicetti, Emanuele Mancinelli, Roberto |
Journal: | AGRONOMY | Issue Date: | 2022 | Abstract: | Application of wastewater to agricultural soils not only enhances economic benefits but is also considered as a safe disposal option by the administrators. Worldwide, peri-urban horticulture is a common practice for growing vegetables. When agricultural soils are irrigated with wastewater, numerous potentially toxic elements (PTEs) contained therein are bioaccumulated and pose health risks. The presented study aimed to reveal the PTEs, i.e., copper (Cu), cadmium (Cd), nickel (Ni) and lead (Pb) concentration in the agricultural soils irrigated with wastewater for longer times. Zeolite, a natural mineral was used to immobilize these in contaminated soils to reduce its availability to brinjal (Solanum melongena L.). During a pot study, zeolite was applied at four different levels, i.e., 0.25, 0.50, 1.00 and 2.00% in contaminated soil, keeping one control. The results revealed that growth as well as biochemical and physiological characters were found best with treatment receiving zeolite at 2.00%. In edible parts (fruit), PTE contents were found lowest in the same treatment. Relative to the control, ~121, 87, 120 and 140% less DTPA-extracted Cu, Cd, Ni and Pb in soil was found with this treatment. Based on the results, it was revealed that zeolite effectively immobilized Cu, Cd, Ni and Pb in the soil. Although all the applied levels of zeolite had positive potential to immobilize PTEs in wastewater-contaminated soil, zeolite applied at 2.00% proved most effective. |
URI: | http://hdl.handle.net/2067/48887 | ISSN: | 2073-4395 | DOI: | 10.3390/agronomy12102433 | Rights: | Attribution 4.0 International |
Appears in Collections: | A1. Articolo in rivista |
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2022_13 Farooqi et al Agronomy.pdf | Articolo | 859.76 kB | Adobe PDF | View/Open |
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