TY JOUR TI THE LAND RESOURCE CONDITION IN THE TERRITORY OF THE STATE SOIL MONITORING FEDERAL POLYGON «NIZHNETAVDINSKY» IN TYUMEN REGION KW monitoring of agricultural lands KW clogging KW erosion KW economic damage KW forecast of negative process development KW functional-ecological zoning JO Bulletin of KSAU AU Simakova, T.V. AU Skipin, L.N. PY 2015 IS PB Krasnoyarsk State Agrarian University