INCREASING THE EFFICIENCY OF WATER RESOURCES USE IN THE KUBAN RIVER BASIN FOR THE DEVELOPMENT OF NEW SOLUTIONS FOR RICE AGRICULTURAL PRODUCTION

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Александр Александрович Солодунов Ахмед Асланович Сидаков Михаил Александрович Бандурин

Abstract

The relevance of increasing the efficiency of the use of water resources in the Kuban River basin, for the development of new solutions for rice agricultural production, which ensures an increase in the quality of the products obtained and the stability of the yield. The problem of the quality of water resources is very acute. In the river basin In the Kuban, the value of the annual runoff is subordinated to vertical zoning; a regular decrease in the module of the annual runoff is observed with a decrease in the average height of the catchment area and along the length of the watercourse. When designing the Krasnodar reservoir on the right bank, overestimated values of filtration parameters were taken, this was established in the process of experimental pumping from vertical drainage wells. The most effective control is the construction of treatment facilities and a biological method of control in areas of reservoirs with low water exchange. Phosphates are man-made pollutants. The article presents the results of laboratory studies of the quality of water resources, which can be used in practice, since the content of phosphates in the reservoir on average exceeds the MPC by 1.5-2.0 times. Analysis of the available data on bacteriological and parasitological research gives an idea of the current state of water resources. The results of the laboratory tests performed showed that no parasitological contamination of the water was detected. Bacteriological pollution is present in all parts of the reservoir. The main type of pollution is the excess of coliform bacteria. Their content in water exceeds the permissible values from 3 to 16 times. Bacteriological pollution is mainly formed due to the runoff of large rivers flowing into the reservoir, because there is no concentration of sewage discharges into the reservoir basin. The quality of water resources in terms of hydrochemical, bacteriological and parasitological indicators did not undergo serious negative changes after the NPC decreased by 90 cm. An exception is water pollution by organic compounds that form in the reservoir bowl. The main methods of struggle are the saturation of water with oxygen (aeration), an increase in the flow rate, biological and chemical treatment.

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