TY JOUR TI REGIONAL FOOD SECURITY IN THE CONTEXT OF STATE AGRICULTURAL POLICY KW agrarian policy KW agricultural land KW cadastral valuation KW digitalization of agriculture KW land resource management KW land reclamation KW land-use efficiency KW regional agrarian policy KW soil fertility reproduction KW state regulation JO Russian Journal of Management AU Zakarchevski, O.V. AU Malykha, E.F. AU Sergeeva, N.V. AU Limbir, J.L. PY 2026 IS 14 PB Publishing Center RIOR