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Untreated? area of white pine and hemlock ca. 50 acres.
"Primitive" area of white pine and hemlock ca. 50 acres. Pack Forest, Warrensburg, NY.
Sign in Pack Forest, NY
Sign in Pack Forest, Warrensburg NY. N.B. This notice is bound to antagonize!
Plantations of white, red and jack pines
General view of plantations of white, red and jack pines. Pack Forest, Warrensburg, NY.
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
Norway spruce suffering from potassium deficiency
32 yearr old Norway spruce suffering from potassium deficiency. Pack Forest, Warrensburg NY. Person is Professor Ed White of SUNY.
Norway spruce suffering from potassium deficiency (image 2)
32 yr old Norway spruce suffering from potassium deficiency. Pack Forest, Warrensburg NY. Person is Professor Ed White of SUNY.
Potassium deficient red pine
Potassium deficient red pine. Ed White's experiment. N.B. sweep of stems which Ed says is symptomatic of the potassium deficiency. Pack Forest. Warrensburg NY.
Irrigation experiment, NY. in red pines at Pack Forest
Irrigation experiment in red pines at Pack Forest, Warrensburg
Dr. Al Leaf of SUNY describes his study on red pine roots at Pack Forest.
Dr. Al Leaf of SUNY, (Syracuse) describing his study on red pine roots, Pack Forest, Warrensburg
On-site demonstration of red pine study by SUNY professor
Dr. Al Leaf of SUNY, Syracuse describing his study on red pine roots, Pack Forest, Warrensburg