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Information × Registration Number 0222U001566, 0121U108806 , R & D reports Title Establish patterns of changes in the genetic properties of gray forest soils and develop effective ways to optimize their acid-base status under different agrochemical loading in the agrocenosis popup.stage_title Head Tkachenko Mykola A., Доктор сільськогосподарських наук Registration Date 28-01-2022 Organization National scientific centre "Institute of Agriculture of the Ukrainian Academy of Agrarian Sciences" popup.description2  The object of research is the processes of soil formation and directions of changes in the quantitative parameters of potential and effective fertility of gray forest soil under agricultural conditions. The purpose of the research is to investigate the peculiarities of the dynamics of the formation of the content and reserves of humus of gray forest soil depending on long-term anthropogenic loads. Research methods - field experiment, laboratory, mathematical and statistical, comparative and computational. Research results - identified positive areas of changes in the humus state of gray forest soil under chemical reclamation and different agrochemical loads. The highest indicators of humus content and reserves were achieved during chemical reclamation. The use of ameliorants, both individually and in combination with organic and mineral fertilizers, contributed to an increase in humus content by 16-22% compared to the control without fertilizers. It was determined that arable soil without fertilizer is gradually depleted and loses its fertility (humus content 1.29%, reserves 38.7 t / ha). Preservation and reproduction of its fertility is clearly observed in natural ecosystems: under the hayfield humus content - 2.28%, under fallow - 2.66%, respectively, reserves of 68.4 t / ha and 79.8 t / ha. It was determined that re-application of ameliorants in the amount of 5.0 and 7.5 t / ha for different organo-mineral fertilizers contributed to the arable soil layer not only to improve the conditions of humus formation - the total humus content after re-liming was 1.64-2.12 %, reserves - 49.2-63.6 t / ha, respectively, but also the optimization of other physicochemical properties, in particular - pH. 6.8–7.3, Ca2 + - 8.7–10.6 mg-eq / 100 g of soil, which contributed to the growth of crop rotation productivity - the increase in limestone options for growing winter wheat and soybeans was 0.5–2, 1 t / ha with. from Product Description popup.authors Zamlynska Viktoriia M. Kondratiuk Iryna M. Kudria Serhii О. Pavlichenko Alla I. popup.nrat_date 2022-03-09 Close