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Annals of Horticulture
Year : 2015, Volume : 8, Issue : 2
First page : ( 137) Last page : ( 144)
Print ISSN : 0974-8784. Online ISSN : 0976-4623.
Article DOI : 10.5958/0976-4623.2015.00006.7

Assessment of Heavy Metals in Vegetables in Some Rural Areas in Meerut District

Chaudhary Veena

Department of Chemistry, CSSS (PG) College, Machhra, Meerut, Uttar Pradesh, Email: veena_chaudhary@yahoo.co.in

Online published on 2 April, 2016.

Abstract

The present study was carried out to assess levels of different heavy metals like copper, cadmium, chromium, lead, zinc and iron in vegetables irrigated by ground water and waste water. The results indicated a substantial build-up of heavy metals in vegetables irrigated with water and wastewater. The range of various metals in ground water within permissible limit exept one and two samples while in six samples nitrate was more than permissible limit as prescribed by WHO. Waste water showed Cu, Cr, Pb, Zn and Fe under permissible limit exept some samples while the Cd was more in majority of samples as per recommended by WHO in waste water. The accumulation of heavy metal in vegetables showed wide variation as irrigated by ground water and waste water and palak accumulated high heavy metal as compared to the other vegetables. The present study highlights that both adults and children consuming vegetables grown by wastewater irrigation is not suitable for consumption. However, the vegetables received by the ground water irrigation the values of these metals were below the recommended maximum tolerable levels proposed by the WHO. It is suggested that the regular monitoring of these metals from effluents and sewage, in vegetables and in other food materials is essential to prevent excessive build-up of these metals in the food chain.

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