%0 Journal Article %T FORMATION OF THE ASSIMILATION SURFACE OF POTATO LEAVES, DEPENDING ON SEEDING DEPTH OF TUBERS AND PRE-SOWING TREATMENT METHODS %A Shashkarov, L.. %A Samarkin, A.. %A Mefod'ev, G.A. %K potato, planting depth, photosynthesis, leaf surface, budding, flowering %J Vestnik of Kazan State Agrarian University %D 2019 %N 14 %P 3 %I Kazan state agrarian University