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

Photosynthetic and seed productivity of soybean depends on inoculation and fertilizing in the conditions of right-bank Forest Steppe

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

At the current stage of world agricultural production development, soy occupies the leading place among the most critical high-protein and oil crops. Ukraine is the leader in soybean production on the Eurasian continent, however, the biological yield potential of domestic soybean varieties is not yet sufficiently realized, and therefore there is a need to find ways to increase the productivity of soybean agro phytocoenoses. The basis of the creation of the dry weight of the soybean seed crop, like any agricultural crop, is photosynthesis. The intensity of which reflects plants' reaction to the conditions of growth and development, including the technological model of cultivation. Therefore, studying laws that determine the photosynthesis process productivity is an essential way of managing the level of crop productivity. The purpose of the research carried out in 2013-2016 was to establish the influence of seed inoculation by microbial preparation of multifunctional action Phosphonitragin and rates and terms of mineral fertilizers application on photosynthetic and seed productivity formation. Visual, measuring-weighing, calculation, and statistical-mathematical methods of observation and research were used during the research. It was established that in the conditions of the Riht-Bank Forest-Steppe of Ukraine, seeds inoculation by preparation based on strains of nodule bacteria (Br. japonicum) and phosphorus-mobilizing microorganisms (B. mucilaginosus) and mineral fertilizers application have a positive effect on the formation and productivity of the photosynthetic apparatus. The maximum photosynthetic productivity and seed yield of soybean crops - at a level of 2.86-3.15 t/ha is provided by the technological model of cultivation, which involves the use of seed bacterization by complex preparation Phosphonitragin and introduction of N30Р60К60 as a basic fertilizer + N15 as a top dressing in the budding phase. Higher productivity is formed by the mid-ripening soybean variety Suzirya

Keywords

soybean, variety, bacterization, mineral fertilizer, nitrogen fertilizing, photosynthetic productivity, productivity

Suggested citation
Furman, V., Furman, О., & Svystunova, I. (2022). Photosynthetic and seed productivity of soybean depends on inoculation and fertilizing in the conditions of right-bank Forest Steppe. Scientific Reports of the National University of Life and Environmental Sciences of Ukraine, 18(6). https://doi.org/10.31548/dopovidi2022.06.002
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