Abstract
The paper address the impact of an increase in the carbon dioxide concentration, surface air temperature and a change in a degree of climate continentality on the yield of spring wheat for the territory of Russia and for three grain-producing regions: the Saratov and Chelyabinsk oblasts and the Altai krai. The studies were based on the correlation, variance, and multiple regression analyses. The significance of the influence of the selected factors on the spring wheat is determined both for the territory of Russia and for individual regions. The influence of the degree of climate continentality on the spring wheat grain quality (protein content) in the Saratov oblast is assessed.
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