TY JOUR TI AGRICULTURAL SECTOR OF RUSSIAN REGIONS: RESPONSES TO CHALLENGES WITH A DYNAMIC DEVELOPMENT STRATEGY KW crop production KW efficiency KW yield KW sanctions KW profit KW sown area KW gross harvest KW food independence KW commercial enterprises KW agricultural production KW import substitution JO MOSCOW ECONOMIC JOURNAL AU Bunchikov, O.N. AU Kurennaya, V.V. PY 2024 IS 9 PB Electronic science