TY JOUR TI FORMATION OF THE SOWING STRUCTURE AND PRODUCTIVITY OF NORTHERN EKOTYPE SOYBEAN PLANTS AT DIFFERENT SOWING METHODS IN THE CONDITIONS OF THE MIDDLE VOLGA FOREST STEPPE KW soybeans (Glycine max L.) KW sowing methods KW field germination KW plant survival KW productivity KW yield JO Vestnik of Kazan State Agrarian University AU Fadeeva, A.N. AU Abrosimova, T.N. PY 2020 IS 15 PB Kazan state agrarian University