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The paper presents data on the influence of 2 mineral nutrition backgrounds: 1 - control (without fertilizers) and 2 - background N54P52K52S20 on physical and mechanical properties of spring barley grain (1000 grain weight, bulk weight and coarseness). The variance analysis of experimental data for 2022-2023 established reliable differences of average varietal values of physical and mechanical properties of grain on two backgrounds. Correlation analysis of experimental data established a reliable direct dependence of grain yield on the weight of 1000 grains (r=0.48) and coarseness (r=0.56)
spring barley, physical and mechanical properties of grain, mineral fertilizers, grain yield
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