TY JOUR TI Humus acids as reserve of water-soluble organic matter in irrigated chernozems of Near-Ob are KW chernozem KW irrigation KW carbon KW water-soluble organic matter of soils KW irrigative water KW humus losses JO Melioration and Water Management AU Klenov, B.M. PY 2020 IS 2019 PB ANO Editorial Board Melioration and water management