TY CONF TI THE DEVELOPMENT OF VIRGIN LANDS AS A CONDITION FOR THE ECONOMIC DEVELOPMENT OF THE YENISEI REGION IN THE XVII – FIRST HALF OF THE XX CENTURY KW virgin lands KW fallow lands KW state peasants KW resettlement policy in the imperial period KW land involvement in economic turnover in the Soviet period JO «PROBLEMS OF SOIL FERTILITY IN MODERN AGRICULTURE» AU Gaydin, S.T. AU Burmakina, G.A. PY 2024 PB Krasnoyarsk Scientific Research Institute of Agriculture is a separate division of the Federal Research Center KSC SB RAS