Big data research on agricultural soil contamination by zeolite application

„Zhang H., Chen Y., Liu S.X., Jachimowicz A.E., Li A. 2022. Big data research on agricultural soil contamination by zeolite application. J. Elem., 27(2): 265 - 287. DOI: 10.5601/jelem.2022.27.1.2268”

DOI: 10.5601/jelem.2022.27.1.2268

Food scarcity has become a global issue. The large amount of solid waste produced by cities every day generates an incalculable amount of toxic substances, including mercury, lead, iron and other heavy metals and harmful chemicals, as well as radionuclide ions, which can cause great harm to people's health and safety when they are transferred to the soil, water, plants and air. Excessive industrial development has led to the infiltration of high polymers and heavy metals into agricultural soil, endangering the health of our food. One other major factor impacting soil quality is the waste produced from construction sites; this waste is mostly backfilled directly into the local soil, causing varying degrees of secondary contamination. Scientists have had to adopt various methods to adjust soil structure, change soil pH, as well as reduce the composition and content of heavy metals in the soil. Among these different approaches, scientists find natural zeolites can improve soil quality and combat soil pollution. Zeolite has excellent ion exchange and adsorption capacity, and is currently widely used as an environmentally friendly soil conditioner in many soil restoration and improvement fields such as ecological organic agriculture, urban soil pollution improvement, and artificial soil construction, which has very important social and economic values for improving soil quality and agricultural production. Adding zeolite to the soil to be restored and improved in the city can effectively adsorb heavy metals and other substances. Based on current research, we collected and obtained data from a large number of previous papers to evaluate the extent of zeolite's effect on soil as well as plants, as scientists attempted to use zeolite to mitigate soil contamination.

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Słowa kluczowe: soil contamination, zeolitization, heavy metal, soil pH, pollution degradation


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Prof. Julian Aleksandrowicz