Seedfall from Young-Growth Ponderosa Pine
Author: Sundahl, William E.
Source: Journal of Forestry, Volume 69, Number 11, 1 November 1971 , pp. 790-792(3)
Publisher: Society of American Foresters
Abstract:Young-growth ponderosa pine seed trees were evaluated in terms of seed production. Seed trees ranging from 3 to 9 per acre produced 5,000 to 35,000 seeds per acre in years of moderate and heavy cone crops. Seed-tree selection before harvesting by the seed-tree method of cutting must be keyed to evidence of past cone production to assure best seed production in the future.
Document Type: Journal Article
Affiliations: Research Technician, Pac. SW Forest and Range Exp. Sta., U.S. Forest Service, Berkeley, Calif., Stationed at Challenge, Calif.
Publication date: 1971-11-01
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