00567naa#a2200181#i#450# EN\\bibl\77505 20260220071016.5 1819-4036 20130325b2013####ek#y0engy0150####ca RUS RU THE HUMIC ACID ELEMENT COMPOSITION OF CENTRAL URAL SOUTH TAIGA SOILS AND ADJACENT TERRITORIES Journal article Krasnoyarsk Krasnoyarsk State Agrarian University 2013 5 с. Journal article local Гумус. 631.417.2 RUS Nekrasova O A vestnik.kgau.ru