White & red pine and spruce regeneration. 11 yrs after cut in Quetico Pk. Sandy Bay. Person in 242b is Orie Loucks.

Natural regeneration of P. densigflora after clearcut of over-mature stand (background). N.B. heavy competition. Nishine Japan. Photo Carl Heimburger.

Planted Pices glehnii at Kuriyama, Japan. Photo Carl Heimburger

Provenance trials. Miyamori, Japan. Photo Carl Heimburger

Pruned Larix leptolepis seed orchard, Tohoky Forest, Takisawa. Photo Carl Heimburger

Potassium fertilized Douglas fir, sampling cones. Person is Bruce Devitt. Photo Mike Meagher. Mt. Prevost near Duncan.

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

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

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