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Analysis of Slow-Released Fertilisers as a Source of Microplastics

Author

Listed:
  • Vladimir Isakov

    (Microplastics Research Center, Yaroslav-the-Wise Novgorod State University, Veliky Novgorod 173003, Russia)

  • Elena Vlasova

    (Laboratory № 21 of Polymer Spectroscopy, Branch of Petersburg Nuclear Physics Institute named by B. P. Konstantinov of National Research Centre «Kurchatov Institute»—Institute of Macromolecular Compounds, Saint Petersburg 199004, Russia)

  • Vladislav Forer

    (Microplastics Research Center, Yaroslav-the-Wise Novgorod State University, Veliky Novgorod 173003, Russia)

  • Jose Kenny

    (Microplastics Research Center, Yaroslav-the-Wise Novgorod State University, Veliky Novgorod 173003, Russia
    European Center for Nanostructured Polymers (ECNP), 05100 Terni, Italy)

  • Sergey Lyulin

    (Microplastics Research Center, Yaroslav-the-Wise Novgorod State University, Veliky Novgorod 173003, Russia
    Department of Chemistry, Saint Petersburg State University, Saint Petersburg 198504, Russia)

Abstract

One of the main strategies for improving the efficiency of agricultural production is the use of fertilisers with slow or controlled release of nutrients, in which the granules of mineral fertilisers are covered with polymeric shells. The composition of the polymer coatings of mineral fertiliser granules with slow or controlled release of two widespread manufacturers and their ability to adsorb some heavy metal ions on their surface were examined in this study. It was found that the base polymers used to encapsulate the fertilisers studied are the co-polymer polyethylene–polyacrylic acid in the Brand A, and polyacrylamide, polyacrylic acid, and its esters in the Brand B fertiliser coating. The maximum adsorption rate of heavy metal ions on the surface of the polymer coatings with the rest of the mineral filler of Brand A and Brand B fertilisers was 54.64 and 28.90 mg/g for Cd(II) ions, 30.77 and 14.03 mg/g for Pb(II) ions, respectively. Therefore, the solution to the problem of increasing the efficiency of agricultural production through the use of fertilisers with slow or controlled release of nutrients leads to environmental pollution by microplastics remaining in the soil after fertiliser application, which are also capable of adsorbing from the soil various toxic pollutants.

Suggested Citation

  • Vladimir Isakov & Elena Vlasova & Vladislav Forer & Jose Kenny & Sergey Lyulin, 2024. "Analysis of Slow-Released Fertilisers as a Source of Microplastics," Land, MDPI, vol. 14(1), pages 1-15, December.
    • Handle: RePEc:gam:jlands:v:14:y:2024:i:1:p:38-:d:1555076
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    References listed on IDEAS

    as
    1. Roberto Rodríguez-Pacheco & Gregorio García & Ana Vanessa Caparrós-Ríos & Virginia Robles-Arenas & Cristóbal García-García & Rocío Millán & Araceli Pérez-Sanz & Luis Alberto Alcolea-Rubio, 2023. "Mineralogy, Geochemistry and Environmental Hazards of Different Types of Mining Waste from a Former Mediterranean Metal Mining Area," Land, MDPI, vol. 12(2), pages 1-23, February.
    2. Jorge Mongil-Manso & Raimundo Jiménez-Ballesta & Juan Manuel Trujillo-González & Ana San José Wery & Alexandra Díez Méndez, 2023. "A Comprehensive Review of Plastics in Agricultural Soils: A Case Study of Castilla y León (Spain) Farmlands," Land, MDPI, vol. 12(10), pages 1-21, October.
    3. Ivan Sazykin & Ludmila Khmelevtsova & Tatiana Azhogina & Marina Sazykina, 2023. "Heavy Metals Influence on the Bacterial Community of Soils: A Review," Agriculture, MDPI, vol. 13(3), pages 1-23, March.
    4. Peng Xu & Geng Li & Yi Zheng & Jimmy C. H. Fung & Anping Chen & Zhenzhong Zeng & Huizhong Shen & Min Hu & Jiafu Mao & Yan Zheng & Xiaoqing Cui & Zhilin Guo & Yilin Chen & Lian Feng & Shaokun He & Xugu, 2024. "Fertilizer management for global ammonia emission reduction," Nature, Nature, vol. 626(8000), pages 792-798, February.
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