Phosphorus contents in foliage by treatment

Arsenic poisoning in compartment that was converted from an apple orchard to seed beds. Arsenicals were sprayed regularly on the apple trees. Red pine, 1+0, arsenic toxicity.

Ash (Fraxinus excelsior) & Norway spruce on bottomlands. North of Arhus. Photo Mike Meagher.

Atlantic shoreline Balsam fir, north of St. John's. N.B. form and growth.

Average seedlings extracted scale. White spruce, 2+0.

Landscape view of farmlands and forests

B horizon developed around successive root channels in calcareous sands at Vivian; n.b. water laid sand in C. Alfisol, HB, C, D.

B horizon of profile slide #21; n.b. fine granular structure and the intensity of rooting. Inceptisol, HB, S.

B26 demonstrating water bombing. J.D.Irving

Backing up the 'skidder.' How to manoeuvre oxen. Bridgewater. Photo Brian Gilbert