Effectiveness of the use of mineral fertilizers and the Gumistim fertilizer in the cultivation of winter wheat in conditions of radioactive contamina-tion

Abstract

The article presents the results of studies evaluating the effectiveness of various fertilizer systems and the humic preparation Gumistim in the cultivation of winter wheat of the Moscow-39 variety under the conditions of radioactive soil contamination. It was found that the use of fertilizers allows to increase the yield of winter wheat grain by 0.65-1.44 t/ha, the use of humic preparation Gumistim - by 0.31-0.99 t/ha, the combined use of fertilizers and Gumistim by 1.21-2, 43 t/ha compared to the reference sample. The maximum yield (4.56 t / ha) was ensured by the use of the full mineral fertilizer N₁₂₀P₉₀K₁₅₀ in combination with the biological preparation Gumistim. The use of fertilizer and Gumistim biological preparation, both separately and in combination, contributed to a significant increase in the physical and chemical parameters of winter wheat grain quality in comparison with the reference sample. The use of fertilizer leads to a decrease in the accumulation of ¹³⁷Сs in winter wheat grain by 1.26-2.44 times, the use of Gumistim biological preparation by 1.00-1.36 times, the use of fertilizer and Gumistim by 1.61-3.12 times in comparison with the reference sample, which ensured the production of normatively clean products in technogenically contaminated territory.