TY JOUR TI THE ANALYSIS AND PROSPECTS OF THE AGRICULTURAL LAND USE IN THE KRASNOYARSK TERRITORY KW soil contamination indices KW hygienic standards KW crop rotation KW soil fertility KW fertilizer KW subsidies KW government support KW resource preserving agriculture JO Bulletin of KSAU AU Kalyagina, L.V. AU Pyzhykova, N.I. PY 2014 IS PB Krasnoyarsk State Agrarian University