Tukhtamisheva Farangiz, Abdurakhimov Dilmurod Khayitmurotovich

soil acidity, pH variation, industrial pollution, protection zone, seasonal assessment, environmental monitoring

Soil acidity is one of the key indicators of environmental quality in industrial areas, as it directly affects soil fertility, biological activity, and ecosystem sustainability. Industrial emissions, including acidic gases and particulate matter, significantly alter the physicochemical properties of soils located in protection zones surrounding industrial facilities. This study aims to assess the seasonal variation of soil acidity (pH) in a protection zone influenced by industrial activity. Soil samples were collected during four seasons (spring, summer, autumn, and winter) from different distances within the protection zone. The pH values were determined using a potentiometric method under laboratory conditions. The results reveal pronounced seasonal fluctuations in soil acidity, with increased acidification observed during periods of higher precipitation and intensified industrial emissions. The findings highlight the importance of seasonal soil monitoring in industrial regions to prevent soil degradation and ensure environmental safety

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