%0 Journal Article %T Cluster analysis in assessing the efficiency of grain production in the Tyumen region %A Agapitova, L.. %A Butorina, G.. %K agriculture, crop production, grain production, mineral fertilizers, correlation and regression analysis, cluster analysis, yield, efficiency, regions %J Agrarian Bulletin of the %D 2024 %N 24 %P 13 %I Ural State Agrarian University