%0 Journal Article %T VARIETIES OF PEAS (PISUM SATIVUM L.) WITH SELECTIONALLY VALUABLE CHARACTERISTICS FOR USE IN BREEDING TO INCREASE PRODUCTIVITY AND PROTEIN CONTENT IN SEEDS %A Shurhaeva, K.D. %A Fadeeva, A.N. %K pea (Pisum sativum L.), genetic resources, varieties, productivity, protein content, growing season %J Vestnik of Kazan State Agrarian University %D 2021 %N 16 %P 7 %I Kazan state agrarian University