The application of growth regulators in soybean cultivation is of great practical importance due to the ability of this class of substances in small quantities to positively influence plant resistance to stress conditions and pathogens, stimulate photosynthesis processes and increase plant productivity. In 2019-2020, we studied the effect of the plant growth regulator ORGANOSTIM® based on water solutions of taxifolin and crezacin on the yield and quality of seeds and yield structure indicators of soybean on the leached chernozem of the Western Ciscaucasia. Seed treatment before sowing and foliar spraying at the stages of branching and flowering contributed to a significant increase in the number of beans and seeds per plant and thousand-seed weight. This increased the soybean seed yield by 6.1-8.5 %, protein yield by 7.5-10.4 %, and oil yield by 5.7-6.9 %.