Cleaning Paper Birch in a Birch-Aspen Stand in Maine: A 34-Year Case History
Periodic measurements were made for 34 years following cleanings in a 7-year-old paper birch-quaking aspen stand. The results demonstrate the value of removing aspen to assure a high proportion of birch. At age 41, in the fall of 1985, the untreated control plot is an essentially pure aspen stand. The cleaned portion contains various proportions of birch, depending on the season of initial cleaning and degree of release. A mixture of the herbicides, 2,4,5-T and 2,4-D, was used to do part of the cleaning. The best results were obtained from a combination of a partial cleaning in July and August of 1951, followed by a total cleaning 7 years later, where the stand is now dominated by paper birch. North. J. Appl. For. 7(1):22-23, March 1990.
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Document Type: Journal Article
Affiliations: Bureau of Forestry, RFD #2, Farmington, ME 04938
Publication date: 1990-03-01
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