%0 Journal Article %T RELATIONSHIP OF YIELD OF VARIETIES OF COMPETITIVE VARIETY TESTING OF SPRING SOFT WHEAT WITH ELEMENTS OF ITS STRUCTURE IN THE MIDDLE VOLGA REGION %A Menibayev, A.I. %K spring common wheat (Triticum aestivum L.), principal component method, crop structure elements. %J Vestnik of Kazan State Agrarian University %D 2023 %N 17 %P 6 %I Kazan state agrarian University