Open AccessThe effect of the Biologically Active Additive Vetom-1.1 on the Quality of Wintering and Spring Development of Bee Colonies
Author(s) -
N. F. Litvinova,
Vladimir Litvinov
Publication year - 2021
Language(s) - English
DOI - 10.15838/alt.2021.4.4.2
Subject(s) - spring (device) , quality (philosophy) , biology , environmental science , ecology , engineering , physics , mechanical engineering , quantum mechanics