Browse Items (13026 total)

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Precommercial thinning in 25 yr old Douglas fir using "hack & squirt" i.e. hatchet and squirt can filled with herbicide. Crown Zellerbach, Nanaimo Lakes.

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Precommercial thinning in 25yr old Douglas fir. 1478a is before, 1478b is after. Crown Zellerbach, Nanaimo Lakes.

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Details of thinning (pre-commercial) in young Douglas fir. BC Forest Products. Port Renfrew.

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Douglas fir styroplugs (2" and 8") planted Spring 1972. cf roots in slide # 1107

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Douglas fir styroplugs (2" and 8") planted Spring 1972. cf roots in slide # 1107

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Douglas fir sown in April in styroblocks, photo July. Fir douglas, 1+0, container, styroblock.

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Douglas fir sown April, photo in July. Fir douglas, 1+0, container.

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View of the depth of soil, Nanaimo Lakes, Crown Zellerbach. N.B. Materials are thick, but soil & rooting are not.

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Location of Bob McMinn's Douglas fir site preparation trials. Bowron River, Prince George. The person is Fred Robinson.

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Grafted tree, N.B. distortion of stem at graft & therefore weakness. Nanaimo Lakes, Crown Zellerbach.

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