BOOKQUE

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
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