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Information × Registration Number 0221U102061, 0120U000205 , R & D reports Title To develop a complex model of formation of the 4-section productivity under different conditsons of intensifscation in the left-bank Forest-steppe of Ukraine popup.stage_title Head Martyniuk Ivan V., Доктор сільськогосподарських наук Registration Date 28-01-2021 Organization National scientific centre "Institute of Agriculture of the Ukrainian Academy of Agrarian Sciences" popup.description2  Objects of research: the complex of placement of crops after the predecessors of 4-field crop rotations for 100% saturation of grain crops under the influence of different fertilizer systems on the formation of productivity of individual crops. The purpose of the research is to determine the complex of crops placement after predecessors, the influence of the level of intensification of cultivation technologies on the formation of productivity of individual crops and to develop the optimal model of 4-field crop rotation in the left-bank Forest-Steppe of Ukraine.It was found that among the studied models of 4-field crop rotations 100% saturated with grain crops, the highest profit was provided by four-field crop rotations: winter wheat-corn peas for spring grain-barley on the option without fertilizer application (control) (UAH 12.53 thousand per 1 ha of crop rotation area with a profitability of 157%). The organic fertilizer system provided a level of relatively net profit within 11.55 thousand UAH / ha with a profitability of 119%. Product Description popup.authors Boyko Petro I. Martyniuk Ivan V. Tsymbal Yaroslav S. popup.nrat_date 2021-01-28 Close