TY JOUR TI THEORETICAL FOUNDATIONS AND PRACTICAL ASPECTS OF THE DEVELOPMENT OF FARMING ENTERPRISES IN THE REPUBLIC OF MORDOVIA USING A SOFTWARE TOOL FOR TERRAIN AND LONG-TERM PRECIPITATION ANALYSIS KW farming KW agriculture KW spatial analysis KW precipitation KW terrain analysis KW digital elevation model KW GIS technologies JO MOSCOW ECONOMIC JOURNAL AU Korneev, D.A. PY 2026 IS 11 PB Electronic science