Научные инновации
Оценка влияния изменений режимов тепло- и влагообеспечения на урожайность зерна в Северном Казахстане
The article examines the influence of climatic conditions and their interannual variability on crop yields in Northern Kazakhstan. Based on the analysis of meteorological data collected from 1999 to 2024 in the leading grain-growing regions of Northern Kazakhstan, the impact of changes in heat and moisture supply regimes on crop productivity is assessed using the method of hydrological and climatic calculations. Using regression and variance analysis, it was revealed that it is the temperature during the warm period that has the greatest impact on yield variability. Consideration of the moisture coefficient showed that during periods of low moisture, there is a decrease in yield, and in years of sufficient moisture, an increase in yield, which is confirmed by statistically significant correlation indicators (R = 0.71). The results obtained indicate that humidification explains 51% of yield variations, while the remaining 49% are due to other factors, which indicates the need for further study of the influence of complex climatic processes.
Ключевые слова: climatic conditions, air temperature, precipitation, moisture coefficient, grain yield, Northern Kazakhstan
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