Orthic humoferric podzol in till at J.D. Irving, Black Brook. N.B. irregular Ae lower boundary.

Orthic podzol in sandy loam; N.B. intensity of horizon colouration and on left upper the Ae/H a sign of windthrow. Spodosol, P, C, WN, D.

Ortstein i.e. iron pan in a podzol due to impeded drainage. Photo Canadian Department Agriculture.

Oslo Sogsvaen Park - note dead BE

Outer Banks, N. C. - dune stabilization with beachgrass

Outplanted BR at Cardinal coal mines, N.B. Nitrogen deficiency as shown by chlorosis, white spruce, 2+2.

Outplanted container stock at Cardinal coal mines. These container seedlings show no Nitrogen deficiency. White spruce, 1+0.

Outstanding X poplar (cottonwood). Person is Bill Raitenanen. Aylmer.

Over mature beech on shallow till(Sherbourne) with a major defect of seams and canker (Eutypella). Dorset

Over mature 300+yrs Douglas fir, western red cedar & hemlock. UBC Forest, Haney.