TY JOUR TI REPRODUCTION OF FIXED ASSETS AS A FACTOR IN THE DEVELOPMENT OF INTEGRATED AGRO-INDUSTRIAL FORMATIONS IN THE VORONEZH REGION KW reproduction of fixed assets KW sectoral differentiation KW capital stock KW investment in fixed capital KW degree of wear and tear KW agriculture KW production efficiency KW agro-industrial complex KW and modernization JO MOSCOW ECONOMIC JOURNAL AU Novikova, V.A. PY 2026 IS 11 PB Electronic science