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Information × Registration Number 0220U104479, 0116U001232 , R & D reports Title To develop theoretical bases and functional models of the highly productive ecologically balanced crop rotations with a market orientation and mechanisms of technological renewal of fertility of black earths of steppe area popup.stage_title Head Shevchenko Mykhailo S, Доктор сільськогосподарських наук Registration Date 18-12-2020 Organization State Institution Institute of Grain crops of NAAS of Ukraine popup.description2  The object of research – the processes of change in fertility of black earth, in yields of crop rotation; the parameters of the efficiency of field crop rotations. The purpose – for the conditions of the steppe zone to develop theoretical foundations of the interaction of crop rotation factor, fertilization systems and tillage in functional models of ecologically balanced crop rotations, to identify their impact on yield and product quality, soil fertility, ecological environment. Methods – field, laboratory-analytical, comparative-calculation, statistical. The most effective fertilizer systems were organic and mineral or mineral, developed considering the agrochemical diagnostics of the soil. The higher yields were formed by winter wheat (5.26-7.38 t / he) and corn (4.4-5.3 t / he). The best productivity indications were provided in grain-steam-row and grain-row crop rotations (grain saturation – 75%). Product Description popup.authors Bokun Olexandr I Desyatnik Liliya M. Chaban Volodymyr I Shevchenko Mykhaylo S. Shevchenko Oleksandr M. popup.nrat_date 2020-12-18 Close