ECOLOGICAL AND TOXICOLOGICAL ASSESSMENT OF SOIL QUALITY OF THE TERRITORY OF KHARKIV DISTRICT KHARKIV OBLAST
DOI:
https://doi.org/10.32782/naturaljournal.7.2024.3Keywords:
pollution, heavy metals, soils, test object, phytotoxic properties, biotesting, phytoremediationAbstract
Monitoring studies of areas contaminated by explosives and derivatives of hostilities are now a mandatory element of the strategy of returning Ukraine to normal existence, and significant efforts must be invested in the search for economic recovery technologies. The article deals with the issue of biological monitoring and treatment, since it is, as a rule, the least expensive means of neutralizing pollutants. A series of experiments was conducted to determine the phytotoxic effect of soils from 5 monitoring sites on the growth of roots and sprouts of the test plants oat Avena sativa L. The selection of soil samples from the monitoring sites was held in May and August 2023. According to the results of experimental studies, the following results were obtained: in May 2023, the most pronounced phytotoxic properties of soils were determined in the village of Slobozhanske and Borschova, where the level of soil pollution was equal to the IV quality class – the soil is dirty. At other monitoring sites, the phytotoxic properties of soils corresponded to II and III pollution classes. In August, a tendency to decrease phytotoxic properties of soils was observed. At three monitoring sites: Slobozhanske, village Borshcheva and S. Ruski Tyshki – the level of soil pollution corresponded to class III (soils are moderately polluted), and at the other two sites (Cherkaski Tyshki and Tsyrkuny villages) it was equal to class II (soils are slightly polluted). Conducting monitoring observations immediately after the end of active hostilities can provide an opportunity to determine the level of contamination of the ground cover and provide an opportunity to assess the damage (damage) that has been caused to the environment.
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