%0 Journal Article %T GEOGRAPHIC INFORMATION SYSTEM (GIS) TECHNOLOGIES A BASIS FOR FORMATION OF HIGH-PRODUCTIVE AGROCENOUSES OF PERENNIAL GRASS IN THE SOIL-CLIMATIC CONDITIONS OF THE REPUBLIC OF TATARSTAN %A Safiollin, F.N. %A Khismatullin, M.. %A Trofimov, N.. %A Sochneva, S.. %K GIS technologies, diversity of land, fertilizer, agricultural machinery, productivity, product quality, soil fertility, habitat. %J Vestnik of Kazan State Agrarian University %D 2017 %N 12 %P 3 %I Kazan state agrarian University