Thin section x200; meta vugh orientated neo cutan, in Bt; n.b. black void & to right of it is microcline particle. from pit slide #172

White spruce (some black) 35yrs, after thinning. Shebandowan, Thunder Bay

Thinning in red pine. N.B. fresh-cut stumps painted with NaNO2 + dye to prevent infection by Fomes annosus spores. Wellington Co Forest

This section same as slide #201, but with xNicol; other was in ordinary light.

Three seedlings - normal, two stages of potassium deficiency. White spruce, 3+0, nutrient deficiency - potassium.

Three stages in forest development. Natural forest, plantation, recent clearcut. E.B.Eddy, Espanola. Photo OFIA.

Jack pine planted in 1969 after clearcutting, prescribed fire and site prep with barrels. 3 years after planting. Dunmore Twp. Englehart Management Unit.

Red pine three yrs after planting in small patch cuts, Shiningwood Bay, Temagami

Thrush aircraft demonstrating herbicide application

Thrush aircraft demonstrating herbicide application