BIO Web Conf.
Volume 51, 2022International Scientific and Practical Conference “From Modernization to Advanced Development: Ensuring Competitiveness and Scientific Leadership of the Agro-Industrial Complex” (IDSISA 2022)
|Number of page(s)||7|
|Section||Innovative Technologies for the Production and Processing of Crop and Livestock Products: Problems and Prospects for Practical Implementation|
|Published online||02 August 2022|
Heavy metals in the "soil-plant" system when using sewage sludge
Federal State Budgetary Educational Institution of Higher Education "Chuvash State Agrarian University", 29 Karla Marxa Street, city of Cheboksary, Chuvash Republic, 428003, Russian Federation
* Corresponding author: email@example.com
This article presents the results of studies of the content of chemical elements in the "soil-plant" system when various doses of sewage sludge are introduced into the soil. The degree of soil contamination with heavy metals was assessed, chemical concentration coefficients were calculated, the soils were classified by permissible pollution, with the possibility of use for any agricultural crops, and theoretical calculations of the maximum possible one-time dose of sewage sludge to the soil according to the limiting indicator of the concentration of heavy metals were given. The concentration of heavy metals in the carrot and table beet biomass has been studied. It was found that the use of sewage sludge as fertilizer affected the content of dry matter, ash and chemical elements in carrot, the dynamics of migration of heavy metals into plant biomass correlates with an increase in their concentration in the soil, and the accumulation of chemical elements in the photosynthetic part is more intense.
© The Authors, published by EDP Sciences, 2022
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