TY JOUR TI THE INFLUENCE OF AGROTECHNICAL METHODS OF POTATO CULTIVATION ON PRODUCTIVITY AND ECONOMIC EFFICIENCY IN THE CONDITIONS OF THE REPUBLIC OF TATARSTAN KW potato tubers KW fertilizers KW organic matter KW irrigation KW yield KW profit KW profitability level JO Agrobiotechnologies and digital farming AU Shaykhutdinov, F.. AU Serzhanov, I.. AU Egorov, L.M. AU Garaev, R.I. AU Davletov, K.N. PY 2024 IS 3 PB Kazan state agrarian University