EFFICIENCY OF USING BIOLOGICAL PREPARATIONS AND MINERAL FERTILIZERS IN CULTIVATION OF SUGAR SORGHUM IN THE SOUTHERN REGIONS OF KAZAKHSTAN
Main Article Content
Authors
K.K. Mambetov
Auezov University,Kazakhstan, Shymkent
G.B. Alpamyssova
Auezov University,Kazakhstan, Shymkent
A.B. Alpamyssova
South Kazakhstan Pedagogical University O. Zhanibekov, Kazakhstan, Shymkent
A.T. Ermekbayeva
Auezov University,Kazakhstan, Shymkent
R.A. Abildayeva
Auezov University,Kazakhstan, Shymkent
I.B. Dzhakupova
Almaty Technological University, Kazakhstan, Almaty
A.Zh Bozhbanov
Almaty Technological University, Kazakhstan, Almaty
Abstract
This article presents the results of studies on the influence of biological preparations and mineral fertilizers on the productivity of sugar sorghum cultivated in the southern regions of Kazakhstan. During a five-year field experiment (2019–2023), the complex effect of biologically active substances (Celeste Top, Gumi 20, Potassium Humate) and doses of nitrogen-phosphorus fertilizers (N₃₀P₃₀, N₆₀P₆₀, N₉₀P₉₀) on field germination, photosynthetic activity and green mass yield of sugar sorghum of the Kazakhstanskoye 20 variety was studied. It was found that the greatest effect is achieved with the combined use of Potassium Humate and fertilizers at a dose of N₉₀P₉₀, which provides a yield increase of 5.4 t/ha compared to the control. Optimal doses and combinations of biopreparations with mineral fertilizers have been determined, providing the maximum economic effect in the cultivation of sugar sorghum in arid conditions.
Keywords
sweet sorghum, biological preparations, mineral fertilizers, photosynthetic activity, productivity, arid conditions
Article Details
References
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