Abstract: The article presents the results of the action of ultraviolet rays and low-frequency electromagnetic radiation on seed germination, growth, development and yield of soybean varieties. The combined action of the studied factors on seeds led to an increase in seed germination, which depended on the shelf life of the seeds and the exposure of the impact. A reduction in the growing season by 3-7 days of the studied soybean varieties is shown. An increase in the productivity of soybean plants was revealed depending on the methods of pre-sowing seed treatment.