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Information × Registration Number 0220U104732, 0116U004641 , R & D reports Title To develop the scientific foundations of structures rotation on the basis of greening and optimization of mineral nutrition for high performance cultures and fertility restoration drained soils of Polissya popup.stage_title Head Savchuk Olha І., Registration Date 26-12-2020 Organization Polissya Institute of Agriculture of the National Academy of Agrarian Sciences of Ukraine popup.description2  It was found that the highest yield of grain units from 1 ha of crop rotation area was obtained in three-field crop rotation with 66.6% of corn - from 3.14 tons in the control, to 6.05 tons - at an increased rate of mineral fertilizers (N62P86K90). The level of profitability of crop rotations at all levels of mineral fertilizers was 25.4-36.5%. The combination of N42P57K60 and N62P86K90 against the background of by-products in all crop rotations contributed to the formation of expanded reproduction of humus - 310-630 kg. Deficit-free nitrogen balance was formed only with the application of N42P57K60 against the background of 10 tons of manure per 1 ha of crop rotation area. Product Description popup.authors popup.nrat_date 2020-12-26 Close