TY JOUR TI STRAIN TESTING OF SOYBEANS IN SUBTAIGA ZONE OF WESTERN SIBERIA KW soybean varieties KW vegetation peri- od KW yield structure KW grain yield KW protein content and collection JO Bulletin of KSAU AU Krasovskaya, A.V. AU Stepanov, A.F. AU Veremey, T.M. PY 2019 IS PB Krasnoyarsk State Agrarian University