Scientific Reports of the National University of Life and Environmental Sciences of Ukraine

Dynamics of plant density and survival of soybean plants , depending on mineral fertilizer and inoculation in the conditions of the Right Bank Forest Steppe

V. Furman, О. Furman, I. Svystunova
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Abstract

Soy is the most essential high-protein and oil-rich crop in world agriculture. It forms a high level of productivity only in crops with optimal stem density and evenly distributed in the feeding area and well-formed plants. Such parameters of soybean agro phytocoenosis are achieved mainly due to obtaining friendly and timely seedlings, high field germination, and good survival of plants during the growing season. The purpose of the research conducted in 2013-2015 was to establish the influence of rates and terms of mineral fertilizers application and seed inoculation with the microbial preparation of multifunctional action Phosphonitragin on the dynamics of plant density and survival of soybeans in the conditions of the Right-Bank Forest Steppe. Visual, quantitative, and statistical-mathematical methods of observation and research were used during the investigation. It was established that in the conditions of the Right-Bank Forest-Steppe of Ukraine, the most favourable conditions for the growth, development, and preservation of soybean plants per unit area during the growing season were formed by the options that involved the combination of seed inoculation with a preparation based on strains of nodule bacteria and phosphorus-mobilizing microorganisms and the introduction of N30P60K60 into the main fertilizing and N15 in extra feeding in the budding phase. According to this technological model of growing, the survival rate of soybean plants in the Vilshanka variety was 95.2%, and in the Suzirya variety - 94.7%, as a result of which the density of plants during the harvesting period was 60.5 and 62.4 pcs/m2, respectively

Keywords

soybean, variety, bacterization, mineral fertilizer, nitrogen fertilization, field germination, plant stand density, plant survival

Suggested citation
Furman, V., Furman, О., & Svystunova, I. (2022). Dynamics of plant density and survival of soybean plants , depending on mineral fertilizer and inoculation in the conditions of the Right Bank Forest Steppe. Scientific Reports of the National University of Life and Environmental Sciences of Ukraine, 18(5). https://doi.org/10.31548/dopovidi2022.05.004
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