TY JOUR TI Evaluation of hybrid potato samples in breeding nurseries in the conditions of the northern regions of Russia KW : potato KW hybrid KW variety KW breeding nurseries KW growing season KW yield KW stability KW precocity JO Agrarian Bulletin of the AU Popova, L.A. AU Golovina, L.N. AU Shamanin, A.A. PY 2022 IS 223 PB Ural State Agrarian University