TY JOUR TI ROLE AND PLACE OF IRRIGATED AGRICULTURE IN THE PRODUCTION OF AGRICULTURAL PRODUCTS AND ITS ECONOMIC EFFICIENCY (experience of the Republic of Tatarstan) KW land reclamation KW intensification of agricultural production KW economic efficiency of irrigation of agricultural crops KW state support for agricultural production JO Vestnik of Kazan State Agrarian University AU Khismatullin, M.. AU Khismatullin, M.M. AU Valiev, A.R. AU Ullah, R.. AU Komissarov, A.V. PY 2021 IS 16 PB Kazan state agrarian University