Enzyme activity of winter triticale under the using of biological preparations

Conclusions.The effectiveness of fertilizer application for winter barley varies depending on the weather conditions of the research year and the lodging resistance of the plants.The highest plant resistance and grain yield were achieved with the application of N 75 , yielding 7.20-8.32t/ha depending on the year.Winter barley shows a strong response to the application of complete mineral fertilizer, which leads to the formation of a large vegetative mass and increases the risk of lodging.Therefore, under such a fertilization scenario, the use of growth regulators is necessary.It was found that the application of growth regulators resulted in an additional grain yield of 0.79-2.41t/ha, depending on the lodging resistance of the plants.However, the use of growth regulators on non-lodging plants led to a slight decrease in grain yield.The protein content under this cultivation scenario remained unchanged.