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Abstract
The study of suitability for the use in agriculture of sludge deposits and hydrochemical indices of water bodies of fish-growing enterprise of LLC “Albashi” were carried out. It is an enterprise engaged in breeding and growing pond fish and sturgeon in pools and gardens, crayfish, growing aquapon greens. Fresh water bodies of reservoir type LLC “Albashi” contain a large number of bottom deposits. The layer of sludge deposits on the bottom in places reaches the power of 2-5 meters, and the underground power is difficult. Bottom sediments were taken from a depth of 1.0-1.2 m from the surface. The hydrochemical regime of the studied water bodies fully corresponds to the cultivation of aquaculture objects and hydroponic plants. Sufficient suspended matter in water (8.2 mg/dm3). The complete absence of dichlorodiphenyl trichloroethane, its metabolites and pesticides characterizes the products produced as environmentally safe. Consequently, bottom sediment site under study can be considered suitable for agricultural production.
Highlights
Eutrophication of water bodies has become one of the most serious threats to aquatic ecosystems in the world, especially water quality, and can further have a negative impact on people’s health
Combining factors of climate change and human activity, eutrophication has expanded from small lakes in the temperature zone to water lakes in cold regions [1-4]
The purpose of the research was to study the suitability for use in agriculture of bottom sediments and hydrochemical indicators of water in fisheries of LLC "Albashi" in order to reduce the consequences of eutrophication of the water body and to obtain additional profits
Summary
Eutrophication of water bodies has become one of the most serious threats to aquatic ecosystems in the world, especially water quality, and can further have a negative impact on people’s health. Combining factors of climate change and human activity, eutrophication has expanded from small lakes in the temperature zone to water lakes in cold regions (called cold water lakes) [1-4]. Due to natural eutrophication of lakes and rivers, as well as anthropological activity, a large number of sludge deposits appear, water reservoirs decompose and turn into marshes [5-8]. There is currently a problem of recycling sapropels and river silt. The use of bottom sediments for fodder or agricultural purposes is a very relevant topic [9-12]
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