Assessment of Heavy Metals Accumulation in the Soil and the Cultivated Crops along a Highway in Lucknow City, Uttar Pradesh
DOI:
https://doi.org/10.20372/afnr.v1i1.69Keywords:
Assessment, Heavy metals, Accumulation, Cultivated cropsAbstract
Development of transport facilities unconsciously affects the natural resources and biodiversity. Non-point sources of traffic related pollution has become a major concern as they are more difficult to be defined or controlled as compared to the point sources. The environmental pollution of heavy metals from the automobiles has attained much consideration in the recent past. The present research was conducted to study the levels of chromium, lead, cadmium and nickel in the roadside farmland soil and crops cultivated there. Soil samples were collected from a farmland at distances of 0, 50, 100 and 1000 mtrs from the road edge. The concentration of the heavy metals in the soil samples and the crops (Pigeon pea, Wheat, Mustard) has shown a decreasing trend with the increase in the distance from the road edge, thus indicating their relation to the traffic and the automotive emissions. Deposition of these heavy metals in the environment and the crops in particular could pose health risk to humans through food chain contamination.
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order: Cr > Ni > Pb > Cd. The same trend
Cr > Ni > Pb >
Fakayode S.O. and Olu-Owolabi B. I. (2003). Heavy metal
Cd) was also observed for the crops. With regard to the distances from road the order of heavy metal contents was 0 m > 50 m > 100 m > 1000 m. Examining the Cr, Pb, Cd, and Ni content of roadside soil, it can be concluded
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that the concentration decreases with increasing distance from the road edge, except Cd. The soils near the highway have a long-term contamination of heavy metals
with heavy metals emitted from automotives.
Ecotoxicology and Environmental Safety 8: 152-161
from transport. We could observe that the vehicular exhausts and the traffic density are leading to the accumulation of these heavy metals in the soil that can give rise to serious environmental hazards in future. The excessive uptake of certain minerals by food crops from contaminated soils might have detrimental effects on food safety and quality, thus imparting detrimental impacts on human health.
Conflict of Interest
None declared.
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