TY JOUR TI INFLUENCE OF BIOLOGICALLY ACTIVE PREPARATIONS, FERTILIZER COMPOSITIONS, IRRIGATION ON THE DISTRIBUTION OF POTATO TUBER DISEASES KW zircon KW albite KW organo-mineral fertilizer KW calimag KW irrigation KW diseases and damage to tubers (Streptomyces KW Rhizoctonia KW Fusarium KW Spongospora KW Helmintosporium KW Elateridae) JO Vestnik of Kazan State Agrarian University AU Zamalieva, F.. AU Zharehina, T.V. AU Safiullina, G.F. PY 2019 IS 14 PB Kazan state agrarian University