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Potassium fertilized Douglas fir
Potassium fertilized Douglas fir, sampling cones. Person is Bruce Devitt. Photo Mike Meagher. Mt. Prevost near Duncan.
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Pruned seed orchard
Pruned Larix leptolepis seed orchard, Tohoky Forest, Takisawa. Photo Carl Heimburger
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Provenance trials
Provenance trials. Miyamori, Japan. Photo Carl Heimburger
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Planted Pices glehnii
Planted Pices glehnii at Kuriyama, Japan. Photo Carl Heimburger
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Natural regeneration after clearcut
Natural regeneration of P. densigflora after clearcut of over-mature stand (background). N.B. heavy competition. Nishine Japan. Photo Carl Heimburger.
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White pine, red pine, spruce regeneration
White & red pine and spruce regeneration. 11 yrs after cut in Quetico Pk. Sandy Bay. Person in 242b is Orie Loucks.
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White pine, red pine, spruce regeneration
White & red pine and spruce regeneration. 11 yrs after cut in Quetico Pk. Sandy Bay. Person in 242b is Orie Loucks
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Longleaf pine, emerged from the grass stage
Longleaf pine that has emerged from the grass stage
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Longleaf pine in "grass" stage
Longleaf pine in "grass" stage. It may remain in this stage for several years and is resistant to fire. Height growth begins when root collar D. is =>2.5cm
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Longleaf pine in "grass" stage
Longleaf pine in "grass" stage. It may remain in this stage for several years and is resistant to fire. height growth begins when root collar D. is =>2.5cm
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