00712naa#a2200193#i#450# EN\URAL'SKIY GOSUDARSTVENNYY AGRARNYY UNIVERSITET\bibl\45173 20250106120927.1 1997-4868 20210715b2021####ek#y0engy0150####ca RU About the influence of solutions of fulvic acids from sapropel on lettuce plants in various types of its processing Journal article Ekaterinburg Ural State Agrarian University 2021 11 с. Journal article local Udalova Ol'ga Rudol'fovna Mirskaya Galina Vladimirovna Kononchuk Pavel Yur'evich Panova Gayane Gennad'evna usau.editorum.ru