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People observing a potassium deficient red pine plot
Sven Heiberg's original potassium deficient red pine plot. See Heiberg & Loewenstein, 1958 and Heiberg and White 1951. Pack Forest Warrensburg NY
Plantations of white, red and jack pines
General view of plantations of white, red and jack pines. Pack Forest, Warrensburg, NY.
Sign in Pack Forest, NY
Sign in Pack Forest, Warrensburg NY. N.B. This notice is bound to antagonize!
Untreated? area of white pine and hemlock ca. 50 acres.
"Primitive" area of white pine and hemlock ca. 50 acres. Pack Forest, Warrensburg, NY.
Untreated white pine stand and hemlock
"Primitive "area of white pine and hemlock ca. 50 acres. Pack Forest, Warrensburg NY.
Old-growth forest stand
White pine 300 yrs in reserve area. Pack Forest, Warrensburg, NY.
Mushrooms stuck in jack pine foliage by squirrels (food storage?)
Mushrooms stuck in jack pine foliage by squirrels (food storage?) But Twp. Englehart Management Unit.
Mushrooms stuck in jack pine foliage by squirrels (food storage?)
Mushrooms stuck in jack pine foliage by squirrels (food storage?) Burt Twp. Englehart Management Unit.
Closeup of chlorotic foliage on jack pine planted in area where all organic material has been removed (image 3)
Chlorotic foliage on jack pine planted in area where all organic material has been removed. Terry Twp. Englehart Management Unit.
Chlorotic foliage on jack pine in site where organic material has been removed (image 2)
Chlorotic foliage on jack pine planted in area where all organic material has been removed. Terry Twp. Englehart Management Unit.