TY JOUR TI AGRICULTURAL LANDSCAPE ECOLOGICAL SUSTAINABILITY IN THE PROCESS OF IRRIGATION IN THE STEPPE ZONE IN THE KRASNOYARSK REGION SOUTH KW egative ecological impacts of irrigation KW soil salinization KW crop yield JO Bulletin of KSAU AU Tsuglenok, G.I. AU Badmaeva, Y.V. PY 2012 IS 0 PB Krasnoyarsk State Agrarian University