ArticleToxicology reports2025
Assessment of heavy metal pollution and human health risk in the soil of selected tea plantations from southern Western Ghats, Tamil Nadu, India.
Article in Toxicology reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Occurrence, source identification, and human health risk assessment of potentially toxic elements in freshwater sources used for aquaculture in the Senegal, Gambia, and Casamance river basins.Toxicology reports · 2026Article
- Integrated study of rhizosphere microbiome and metabolome profiles across tropical plantations in the Western Ghat regions of Kerala and Tamil Nadu, India.Frontiers in microbiology · 2026Article
- Characteristics, source apportionment, and health risk assessment of heavy metal pollution in soil of jiangmen, China.Scientific reports · 2025Article
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2 authors.
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Abstract
Soil pollution on agricultural land has become a significant concern in major tea-producing regions, including Tamil Nadu, a prominent tea-producing state in India. The excessive use of agrochemicals in tea plantations leads to soil contamination, which in turn pollutes tea plantation soil. Tea soil samples were collected in six different tea plantations in commercially important regions from Valparai (Coimbatore), Coonoor, Kundha, Kothagiri, Kattabettu, and Gudalur (Nilgiris), in Tamil Nadu, India. The samples were taken from depths of 0-25 cm across distances ranging from 0-250 m. These samples were digestion procedure followed AOAC method. To assess human health risks, both carcinogenic and non-carcinogenic effects will be evaluated across three primary exposure pathways: ingestion, inhalation, and dermal contact. The study conducted in six major tea-cultivated soils. Five tea plantations' soil samples are highly contaminated with cadmium and at high risk. Geoaccumulation index shows cadmium strongly contaminated in Valparai, Coonoor, and extremely contaminated in Kundha, Kothagiri, and Ooty tea soil samples. The Total Cancer Risk (TCR) in the study area mainly ingestion route values: Cd (0.0000364-0.0000583), followed by Cr (0.0000293-0.0000468), As (0.0000105-0.0000168), and Ni (0.00000269-0.00000431) All the values were higher than USEPA's of 1 × 10
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