TY CONF TI OPTIMIZATION OF THE CONCENTRATION OF A NEW AMINO ACID BIOPREPARATION FOR FOREST NURSERIES USING THE DICHOTOMY METHOD KW forest nurseries KW actinomycetes KW meal hydrolysis KW dichotomy method KW binary search KW amino acid fertilizers KW seedlings JO CONTEMPORARY CHALLENGES AND TOPICAL ISSUES OF BIODIVERSITY AND SUSTAINABILITY OF PLANT COMMUNITIES AU Gordienko, I.M. AU Bryndina, L.V. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov