TY JOUR TI Methodological approaches to determining the volume and cost of maintenance work on inter-farm hydro-reclamation systems in Russia KW land reclamation KW engineering and technological support KW technically sound condition KW costs KW estimates JO Melioration and Water Management AU Ol'garenko, G.V. AU Grishaeva, O.Y. PY 2026 IS 2025 PB ANO Editorial Board Melioration and water management