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A study of response of immature white pine to thinning showed no significant difference in 8-year net basal area per acre production between three treatments: (A) thinning to B-line stocking; (B) thinning to release approximately 80 crop trees per acre; (C) controls. Plots, located in six stands in southern New Hampshire, produced an 8-year average of 45 ft 2 of basal area per acre regardless of thinning intensity. B-line thinning gave greatest response over controls for 4-in trees. Crop tree thinning showed best response over controls for 8-in trees, the average crop tree size. Differences in basal area production among stands were attributed to site characteristics. Results indicate that immature white pine responds well to treatment and that growth by size class can be controlled by thinning method to meet different management objectives. North. J. Appl. For. 3:148-150, Dec. 1986.
Document Type: Journal Article
Department of Forest Resources, University of New Hampshire, Durham 03824
Publication date: December 1, 1986
More about this publication?
Each regional journal of applied forestry focuses on research, practice, and techniques targeted to foresters and allied professionals in specific regions of the United States and Canada. The Northern Journal of Applied Forestry covers northeastern, midwestern, and boreal forests in the United States and Canada.