Ontario tube black spruce planted 1966, Photo 1968 after 2 seasons. Engelhart M.U.

White spruce planted in 1960. Photo 1968. Gross Twp, Engelhart M.U.

Clear cut 1966, prescribe burn Spring 1967, scarified (barrels) June 1967, planted(tubes) July 1967. N.B. large amount of unburnt slash, Willison Twp. Engelhart M.U.

Lodgepole pine natural, 11 yrs. after clearcutting and scarification. Hinton.

Natural regeneration of lodgepole pine, 11 yrs after clearcutting and scarification. Hinton.

Natural regeneration of lodgepole pine, 9 yrs. after clearcutting and scarification. Hinton.

Strip clearcutting in lodgepole pine, with scarification after the cut. Hinton

Heavy cone crop from potassium fertilization. Mt. Prevost near Duncan. Photo Mike Meagher

Heavy cone crop from potassium fertilization. Mt. Prevost near Duncan. Photo Mike Meagher.

Potassium fertilized Douglas fir, sampling cones. Photo Mike Meagher. Mt.Prevost near Duncan