Abstract
High levels of heavy metals in the vegetables are seriously influencing the ecosystem as well as causing many health glitches. Due to many factors like, discharge of untreated industrial effluent, mine tailing, fertilizer application and irrigation with different water sources, the levels of heavy metals increased in soils which further transferred in biological systems. The present study was designed to access bioconcentration of Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Se, Mo, Cd, and Pb in soils and vegetables (carrots) irrigated with wastewater in Punjab, Pakistan. Result of the study showed that at both study sites concentrations of As and Cd were above the permissible maximum limits (PML). Similarly, concentrations of Mn, Ni, Mo, Cd, and Pb in the vegetable samples of both study sites were higher than maximum permissible limits. Overall, the accumulation of metals (Mn, Ni, Mo, Cd, and Pb) observed in carrots as well as in the soil was beyond the permissible limit that may cause human health disorders for their consumers.
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Ahmad, K., Khan, Z.I., Yasmin, S. et al. Contamination of soil and carrots irrigated with different sources of water in Punjab, Pakistan. Environ Earth Sci 75, 426 (2016). https://doi.org/10.1007/s12665-016-5348-4
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DOI: https://doi.org/10.1007/s12665-016-5348-4