Plinthic paleudult, n.b. the paleogley in the upper portion of the profile (very ancient, i.e. 1+m yrs); forest is Longleaf pine, P. palustris in Sandhills, N.C.

Plinthic paleudult showing rooting of Loblolly pine (P. taeda) near Sandhills in South central NC.

Natural advance growth, established before strip cut, 6yrs after cut. Joan Peninsula, Temagami. cf Slide #447

Clearcut 1946, natural regeneration of Douglas fir at 20 yrs, thinned from 2430 to 510 trees/acre in 1965. Shawnigan Div. Macmillan Bloedel. Vancouver Island.

Prescribed fire used to control understory hardwood competition in a longleaf pine stand. Photo Mike Meagher.

Ploughing upland peat using U.K.equipment. Avalon peninsula. Newfoundland.

Ploughing upland peat using U.K. equipment. Avalon peninsula. Newfoundland

Plow layer at St. Williams nursery, Lots 11 & 12; n.b. homogeneity of the plow layer and sharp delineation from lower soil. Alfisol, H, C, HC, D.

Plus tree no. 686, Geraldton. N.B. form and height in relation to surrounding trees. Photo by Wilf Dyer

Soil experiment