TY JOUR TI Relationship between the biometric indicators of Pseudotsuga menziesii (Mirb.) Franco cones and seeds in the Central Chernozem Region KW Pseudotsuga menziesii (Mirb.) Franco KW an introduced species KW generative sphere KW biometric indicators of cones and seeds KW full-grained and empty seeds JO Forestry Engineering Journal AU Degtyareva, S.I. AU Odincov, A.N. AU Dorofeeva, V.D. AU Shipilova, V.F. PY 2025 IS 15 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov