結果 : how tall can douglas fir grow
3:27

How Douglas Fir Trees Shaped The Northwest

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200 foot tall second growth Douglas fir

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Growing Douglas Fir From Seed

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"Big Lonely Doug" - Canada's 2nd Largest Douglas-fir Tree

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9:24

A Gigantic Douglas fir 8 feet wide, 250 feet tall

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OSU study examines decline in Douglas-fir trees

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Vancouver Island Tree Stories Douglas fir MODERN

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Compressive Strength Comparison Between Old Growth And New Growth Douglas Fir Lumber

gregvancom
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1:38

Global News BC - Big Lonely Doug, Canada's second largest Douglas-fir.

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0:31

Tall old growth Douglas Fir Tree

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19:10

How to plant timber trees for Privacy and profits.

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4:19

Old Growth Douglas-Fir Trees. Green River Giants.

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4:51

Climbing Big Lonely Doug, Canada's 2nd Largest Douglas-fir Tree

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Tree Growth Strategies: Douglas Fir and Western White Pine Greenhouse

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How to identify a Douglas Fir

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The Tallest Douglas Fir Tree at WFP

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Best & Worst Wood Species for Timber Framing (Doug Fir, Cedar, Spruce, Hemlock, Pine & More)

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Dissection of a Douglas Fir Cone

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Failed Douglas Fir (What Happened?)

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8:35

How sunlight increases trunk size on Doug Firs

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