Effect of Pruning on Growth of Western White Pine
Author: Helmers, Austin E.
Source: Journal of Forestry, Volume 44, Number 9, 1 September 1946 , pp. 673-676(4)
Publisher: Society of American Foresters
Abstract:Pruning for production of clear lumber is being recognized more and more as a desirable silvicultural measure. The author's study on western white pine confirms earlier findings on other species that not more than one-third of the line crown should be removed in any pruning operation.
Document Type: Journal Article
Affiliations: Silvicnlturist, Northern Rocky Mountain Forest and Range Experiment Station, Forest Service, U. S. Department of Agriculture, Missoula, Mont. Affiliate member, S.A.F.
Publication date: September 1, 1946
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