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Number of Branchlets on Red Pine in Young Plantations

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Abstract:

Number of branchlets was investigated in relation to the more easilymeasured variables of height, stem diameter 1 foot above ground, and number of internodes on sample trees in 12 Pinus resinosa Ait. plantations 4 to 18 years old. Regressions describing six useful relationships between number of branchlets and these variables are presented. Height was the most versatile estimator because of predictive power and ease of obtaining past measurements. Yearly branchlet multiplication was studied in three representative situations where past branchlet numbers had been reconstructed. It is highest in early plantation life, probably seldom exceeding a value of 3.5, and declines steadily with plantation age. Number of branchlets added yearly per tree steadily increases, but is not likely to exceed 100 in the preclosure life of plantation trees spaced at 6x6 feet.

Document Type: Journal Article

Affiliations: Staff Member, Lake States Forest Expt. Sta., Forest Service, U. S. Dept. Agric.

Publication date: 1965-03-01

More about this publication?
  • Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.
    Forest Science is published bimonthly in February, April, June, August, October, and December.

    2015 Impact Factor: 1.702
    Ranking: 16 of 66 in forestry

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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