E3S Web Conf.
Volume 265, 2021Actual Problems of Ecology and Environmental Management (APEEM 2021)
|Number of page(s)||8|
|Published online||03 June 2021|
Soil contamination with heavy metals in the sh. Rashidovsky district of Jizzakh region and methods of their decrease from the soil composition
Jizzakh Polytechnic Institute, 100130, Jizzakh, Uzbekistan
* Corresponding author: Taylakov1964@mail.ru
Sh. Rashidovsky district is one of the territories where the quality of agricultural land has decreased, the main land of the district is located near the city center, industrial enterprises pollute the soil with various pollutants, the natural balance is disturbed and the ecological environment is polluted. During the survey of soil pollution with heavy metals, the concentration of heavy metals in the soil in the layers (0-10, 10-20, 20-30, 30-40, 40-50, 50-60, 60-70 cm) of agricultural land was analyzed. Analysis of soil contamination with heavy metals in the territory shows that a slight increase in the MCL for soils was observed for cuprum, zinc, chromium, nickel, cobalt and arsenic. The increase occurred mainly in the upper layer of 0-30 centimeters. The concentrations of all other heavy metals do not exceed the MCL, which confirms the conclusions drawn in the review section of the study on the low informative value of heavy metals in environmental monitoring. To reduce the negative impact of heavy metals on the light gray lands of the Sh. Rashidov region, it is necessary to apply mineral fertilizers, grow crops that are resistant to pollution.
© The Authors, published by EDP Sciences, 2021
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