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Changes in the chemical composition of soil under the influence of irrigation by mineralized waters of the South-Bug irrigation system
(2021) Vozihnuieva, Y.
The influence of irrigated water from the South-Bug irrigation system (Mykolayiv district, Mykolayiv region) on chemical indicators of soil quality is investigated in the paper. The study revealed a significant deterioration of agrochemical characteristics of the soil, in particular: a significant accumulation in the soil profile of sodium and magnesium ions and a significant decrease in calcium, which indicates about its leaching; significant growth of chloride and bicarbonate ions. A change in the chemical parameters of the soil indicates at a change in the chemistry of soil salinization from sulfate-calcium to bicarbonate-sodium and intensification of the salinization process under the influence of mineralized waters from the South Bug irrigation system. It was found the increased of toxic salts and the total content of toxic salts 2.5 times under irrigation conditions.