INVESTIGATIONS ON THE DEPENDENCE OF FLOWERING IN NORWAY SPRUCE (PICEA ABIES (L.) KARST) UPON AGE
- 1 May 1976
- journal article
- Published by International Society for Horticultural Science (ISHS) in Acta Horticulturae
- No. 56,p. 169-172
- https://doi.org/10.17660/actahortic.1976.56.16