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Information × Registration Number 0222U004948, 0122U000323 , R & D reports Title To develop technological aspects of phytomelioration of dark chestnut saline soils using white clover popup.stage_title Head Vlashchuk Anatolii M., Кандидат сільськогосподарських наук Registration Date 30-11-2022 Organization Institute of Irrigated Agriculture of the National Academy of Agrarian Sciences of Ukraine popup.description2 The object of research is the processes of changing the salt regime and fertility of chestnut soils; increasing the profitability of the beekeeping industry due to the use of the white one-year-old bee hive. The goal is to improve the biological fertility of chestnut soils through the use of white annual burkun; contribute to increasing the profitability of the beekeeping industry by increasing the yield of honey from 1 ha at the expense of leguminous annual grasses. Research methods: field, visual, measuring-weighing, laboratory, mathematical-statistical, calculation-comparative. It has been established that the cultivation of annual white gorse on lands subjected to salinization contributes to positive changes in the agrochemical composition of elements and desalination, as indicated by the content of absorbed Ca+2 from the sum of cations in all variants of the experiment. Optimum conditions for the growth and development of white one-year-old burkun plants were obtained under irrigation (factor A), when the average seed yield was 0.47 t/ha (NIR05A – 0.12 t/ha). According to factor B (sowing rate), the highest seed yield – 0.42 t/ha was obtained at a seeding rate of 1.5 million pieces/ha (NIR05B – 0.07 t/ha). The maximum average yield rate of crop seeds - 0.50 t/ha is established for irrigation and the use of a seed rate of 1.5 million units/ha. The best indicators of the economic efficiency of increasing the profitability of the beekeeping industry by increasing the yield of honey from 1 ha due to the cultivation of the annual white bee were obtained using irrigation and sowing of crops at the rate of 1.5 million pcs./ha, which ensured the maximum conditional net profit - 38,000 hryvnias/ha for the lowest cost of 1 ton of crop seeds – 18,700 hryvnias/t and the highest level of profitability – 238%. Product Description popup.authors Drobit Mykola Volodimirovich Drobit Olesya S Clause Maxim A Stepanov Yury Oleksandrovich popup.nrat_date 2022-11-30 Close