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Ecological Risk Assessment of Soil Heavy Metals and Pesticide Residues in Tea Plantations

Author

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  • Haifang He

    (State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Institute of Applied Ecology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
    Joint International Research Laboratory of Ecological Pest Control, Ministry of Education, Fuzhou 350002, China
    Contributed equally.)

  • Longqing Shi

    (State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Institute of Applied Ecology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
    Joint International Research Laboratory of Ecological Pest Control, Ministry of Education, Fuzhou 350002, China
    Institute of Rice, Fujian Academy of Agricultural Sciences, Chengmen, Cangshan, Fuzhou 350018, China
    Contributed equally.)

  • Guang Yang

    (State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Institute of Applied Ecology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
    Joint International Research Laboratory of Ecological Pest Control, Ministry of Education, Fuzhou 350002, China
    Key Laboratory of Integrated Pest Management for Fujian-Taiwan Crops, Ministry of Agriculture, Fuzhou 350002, China)

  • Minsheng You

    (State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Institute of Applied Ecology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
    Joint International Research Laboratory of Ecological Pest Control, Ministry of Education, Fuzhou 350002, China
    Key Laboratory of Integrated Pest Management for Fujian-Taiwan Crops, Ministry of Agriculture, Fuzhou 350002, China)

  • Liette Vasseur

    (State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Institute of Applied Ecology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
    Joint International Research Laboratory of Ecological Pest Control, Ministry of Education, Fuzhou 350002, China
    Department of Biological Sciences, Brock University, 1812 Sir Isaac Brock Way, St. Catharines, ON L2S 3A1, Canada)

Abstract

Tea plantations have used many synthetic chemicals to ensure performance and control of pests. This has led to increased contamination of soils and reduced tea growth. We assessed the levels of heavy metals, including Cd, Cr, Pb, Cu, Ni, Zn, Hg, As, and pesticide residues, such as HCHs, biphenyl chrysanthemum ester, methamidophos, imidacloprid, permethrin, in the soil of tea plantations of Taiwan, Tibet, Guangdong, and Fujian. The Potential Ecological Risk Index and the Nemerow comprehensive pollution index were used to analyze the data. The results showed that risk indices in Tibet, Guangdong and Fuzhou were considered as moderate ecological harm level. Ecological risk assessment index of Anxi organic and Anxi conventional tea gardens suggested a “low” risk level. The Nemerow comprehensive pollution indices for soil pesticide residues in the tea plantations of Taiwan, Tibet, Anxi organic and Anxi conventional were considered mild. Guangdong and Fuzhou had values suggesting “slight pollution” levels. According to National Soil Environmental Quality Standard (GB15618-1995), soil in tea plantations in Taiwan, Tibet, and Anxi conventional matched the national first grade of soil quality and those from Guangdong, Fuzhou, and Anxi organic tea garden matched the national second grade.

Suggested Citation

  • Haifang He & Longqing Shi & Guang Yang & Minsheng You & Liette Vasseur, 2020. "Ecological Risk Assessment of Soil Heavy Metals and Pesticide Residues in Tea Plantations," Agriculture, MDPI, vol. 10(2), pages 1-10, February.
    • Handle: RePEc:gam:jagris:v:10:y:2020:i:2:p:47-:d:322956
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    References listed on IDEAS

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    1. Wei, Guoxue & Huang, Jikun & Yang, Jun, 2012. "The impacts of food safety standards on China's tea exports," China Economic Review, Elsevier, vol. 23(2), pages 253-264.
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    1. Danica Fazekašová & František Petrovič & Juraj Fazekaš & Lenka Štofejová & Ivan Baláž & Filip Tulis & Tomáš Tóth, 2021. "Soil Contamination in the Problem Areas of Agrarian Slovakia," Land, MDPI, vol. 10(11), pages 1-14, November.
    2. Liyu Yang & Pan Wu & Wentao Yang, 2022. "Study on Safe Usage of Agricultural Land in Typical Karst Areas Based on Cd in Soil and Maize: A Case Study of Northwestern Guizhou, China," Agriculture, MDPI, vol. 12(8), pages 1-16, August.
    3. Danica Fazekašová & Juraj Fazekaš, 2020. "Soil Quality and Heavy Metal Pollution Assessment of Iron Ore Mines in Nizna Slana (Slovakia)," Sustainability, MDPI, vol. 12(6), pages 1-15, March.
    4. Mohamed E. Abowaly & Raafat A. Ali & Farahat S. Moghanm & Mohamed S. Gharib & Moustapha Eid Moustapha & Mohssen Elbagory & Alaa El-Dein Omara & Shimaa M. Elmahdy, 2022. "Assessment of Soil Degradation and Hazards of Some Heavy Metals, Using Remote Sensing and GIS Techniques in the Northern Part of the Nile Delta, Egypt," Agriculture, MDPI, vol. 13(1), pages 1-17, December.
    5. Oumayma Nassiri & Moulay Lâarabi EL Hachimi & Jean Paul Ambrosi & Ali Rhoujjati, 2021. "Contamination impact and human health risk in surface soils surrounding the abandoned mine of Zeïda, High Moulouya, Northeastern Morocco," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 23(11), pages 17030-17059, November.

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