Determining the Time Branches on Living Trees Have Been Dead
Authors: Andrews, Stuart R.; Gill, Lake S.
Source: Journal of Forestry, Volume 37, Number 12, 1 December 1939 , pp. 930-935(6)
Publisher: Society of American Foresters
Abstract:Two methods are commonly used to determine the number of years a branch on a living tree has been dead. One method involves the determination of the difference between the number of rings in the trunk and the number at the base of the branch. The second method involves the determination of the number of rings of callus which develop on the trunk after the death of the branch. The former method has been found to be quite inaccurate, the latter quite accurate and therefore to be recommended where a high degree of accuracy is essential.
Document Type: Journal Article
Affiliations: Civilian Conservation Corps and Division of Forest Pathology, Bureau of Plant Industry, U. S. Department of Agriculture, maintained at Albuquerque, N. Mex., in cooperation with U. S. Forest Service
Publication date: 1939-12-01
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