crown thinning

A form of pruning in which individual branches are removed from the crown to reduce its density without (primarily) reducing its extent. Alternatively, in forestry, crown thinning is a thinning type.

BS 3998 (2010),
crown,
crown density,
dead wood,
natural pruning,
pruning,
pruning (fruit trees)

This definition is abridged from A – Z of tree terms: A companion to British arboriculture.
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