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  • Book cover of Studies in Tolerance of New England Forest Trees

    Studies in Tolerance of New England Forest Trees: Effect of spacing on the efficiency of white and red pine needles as measured by the amount of wood production on the main stem. XIV

    George Plumer Burns, E. S. Irwin

     · 1942

  • Book cover of Studies in Tolerance of New England Forest Trees

    Studies in Tolerance of New England Forest Trees: Effect of spacing on the efficiency of white and red pine needles as measured by the amount of wood production on the main stem. XIV

    Anna Shepard Lutman, D. W. Whitman, David Edward Dunklee, George Plumer Burns, James Marshall Frayer, Joseph Lawrence Hills, Lewell Seth Walker, Robert McCrillis Carter, Vermont Agricultural Experiment Station, Alvin Rees Midgley, E. F. Boyce, E. S. Irwin, Ernest Oliver Herreid, R. O. Slack

     · 1942

  • No image available

    Effect of Spacing on the Efficiency of White and Red Pine Needles as Measured by the Amount of Wood Production on the Main Stem

    George Plumer Burns, E. S. Irwin

     · 1942

  • No image available

    Studies in Tolerance of New England Forest Trees - 14 - Effect of Spacing on the Efficiency of White and Red Pine Needles as Measured by the Amount of Wood Production on the Main Stem

    Vermont Agricultural Experiment Station, E.S. Irwin, G.P. Burns

     · 1942

  • No image available

    Pine Needles and Their Relationship to Terminal and Diameter Growth of Pinus Resinosa Ait. and Pinus Strobus L.

    E. S. Irwin

     · 1942

Coded by Alvin Chou