TY JOUR TI PERSPECTIVE POTATO HYBRIDS SELECTION BY THEIR ADAPTABILITY FACTORS IN THE EUROPEAN NORTH CONDITIONS KW JO Agrarian Bulletin of the AU Kotova, Z.P. AU Evdokimova, Z.Z. AU Kalashnik, M.V. AU Golovina, L.N. AU Chelnokova, V.V. PY 2019 IS 186 PB Ural State Agrarian University