Abstract
The article presents results of the research of scientists from Bryansk State Agrarian University, where data on yields in production conditions and results of intervarietal yields of winter wheat in two agroclimatic regions of the Bryansk region were used: the first (northern) agroclimatic region - Dubrovskiy state variety plot and the second (southern) agroclimatic region - Starodubskiy state variety plot. The purpose of the study was to substantiate the formation and explicit of the potential of winter wheat yield depending on agro-climatic resources in the Bryansk region. Significant differences in influence of agroecological conditions of the year (vegetation season), varieties and their interaction in yield formation were established. The potentialities of winter wheat varieties in formation of highly productive yields, accumulating up to 2.5 % of the incoming photosynthetic active radiation, were proved. It was revealed that the efficiency coefficient of using the bioclimatic potential of the territory by winter wheat was, on average, 42.9 %, and the maximum value was 58.5 %, which indicates significant reserves of the region unused potential.
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