Methods of estimation of berry yield and berry yield of rowan tree (Sorbus aucuparia)

Berry yield of rowan tree ( L.) was studied by picking and weighing the berries in a tree, counting the number of clusters by the eye, estimating the number of clusters by samples of 0.5 m, and by counting the dropped berries. In the last tree methods average weight of berries in a cluste...

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Bibliographic Details
Main Authors: Raatikainen, Mikko, Rossi, Esko, Vänninen, Irene
Format: Article
Language:English
Published: Finnish Society of Forest Science 1985-01-01
Series:Silva Fennica
Online Access:https://www.silvafennica.fi/article/5241