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paul e aho

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Decay of Engelmann spruce in the Blue Mountains of Oregon and Washington

Paul E. Aho · Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture

16 sayfa · 1971

Engelmann spruce / Wood-decaying fungi / Diseases and pests

Defect estimation for grand fir in the Blue Mountains of Oregon and Washington

Paul E. Aho · Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service

12 sayfa · 1974

Fir / Valuation / Forests and forestry

Defect estimation for white fir in the Fremont National Forest

Paul E. Aho · U.S. Forest Service

Sayfa sayısı yok · 1975

Abies concolor / Wounds and injuries

Decay losses associated with wounds in commercially thinned true fir stands in northern California

Paul E. Aho · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station

Sayfa sayısı yok · 1989

Wounds and injuries / Fir / Trees

Logging damage in thinned, young-growth true fir stands in California and recommendations for prevention

Paul E. Aho · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station

Sayfa sayısı yok · 1983

Fir / Logging

Losses associated with Douglas-fir and true fir tops killed by western spruce budworm in eastern Washington

Paul E. Aho · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station

Sayfa sayısı yok · 1984

Diseases and pests / Fir / Douglas fir / Western spruce budworm / Defoliation

Diseases and pestsMicro-organisms from the pith region of suppressed grand fir understory treesPaul E. Aho

Micro-organisms from the pith region of suppressed grand fir understory trees

Paul E. Aho · Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station

Sayfa sayısı yok · 1977

Fir / Phytopathogenic fungi / Microorganisms / Diseases and pests

Diseases and pestsDecay in tops killed by Douglas-fir tussock moth in the Blue MountainsPaul E. Aho

Decay in tops killed by Douglas-fir tussock moth in the Blue Mountains

Paul E. Aho · Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station

22 sayfa · 1979

Fir / Douglas-fir tussock moth / Diseases and pests

Diseases and pestsDecay of grand fir in the Blue Mountains of Oregon and WashingtonPaul E. Aho

Decay of grand fir in the Blue Mountains of Oregon and Washington

Paul E. Aho · Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station

17 sayfa · 1977

Fir / Diseases and pests

Diseases and pestsHeart-rot hazard is low in Abies amabilis reproduction injured by loggingPaul E. Aho

Heart-rot hazard is low in Abies amabilis reproduction injured by logging

Paul E. Aho · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station

Sayfa sayısı yok · 1960

Heartrot / Abies amabilis / Diseases and pests

FirDefect estimation for white fir in the Rogue River National ForestPaul E. Aho

Defect estimation for white fir in the Rogue River National Forest

Paul E. Aho · Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station

18 sayfa · 1978

Fir

Diseases and pestsDecay fungi and wounding in advance grand and white fir regenerationPaul E. Aho

Decay fungi and wounding in advance grand and white fir regeneration

Paul E. Aho · U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory?]

355 sayfa · 1987

Abies concolor / Conifers / Abies grandis / Wood-decaying fungi / Diseases and pests

MeasurementDefect estimation for grand fir, Engelmann spruce, Douglas-fir and western larch in the Blue Mountains of Oregon and WashingtonPaul E. Aho

Defect estimation for grand fir, Engelmann spruce, Douglas-fir and western larch in the Blue Mountains of Oregon and Washington

Paul E. Aho · Forest Service, U.S. Dept. of Agriculture, Pacific Northwest Forest and Range Experiment Station

26 sayfa · 1966

Forests and forestry / Measurement

DefectsHow to estimate defect in grand fir in the Blue Mountains of Oregon & WashingtonPaul E. Aho

How to estimate defect in grand fir in the Blue Mountains of Oregon & Washington

Paul E. Aho · Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station

10 sayfa · 1975

Fir / Defects

Forest productsDeterioration rates of blowndown timber and potential problems associated with product recoveryPaul E. Aho

Deterioration rates of blowndown timber and potential problems associated with product recovery

Paul E. Aho · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station

11 sayfa · 1984

Deterioration / Wood / Windfall (Forestry) / Forest products

MeasurementIndicators of cull in western Oregon conifersPaul E. Aho

Indicators of cull in western Oregon conifers

Paul E. Aho · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station

17 sayfa · 1982

Forests and forestry / Valuation / Measurement

Diseases and pestsFungal and bacterial associations in heart rots of Abies concolor (Gord. and Glend.) Lindl. and techniques for estimating damage in southwestern OregonPaul E. Aho

Fungal and bacterial associations in heart rots of Abies concolor (Gord. and Glend.) Lindl. and techniques for estimating damage in southwestern Oregon

Paul E. Aho · Yayınevi bilinmiyor

202 sayfa · 1975

Fir / Diseases and pests

DefectsHow to estimate defect in white fir in south-central OregonPaul E. Aho

How to estimate defect in white fir in south-central Oregon

Paul E. Aho · Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, Information Services

10 sayfa · 1975

Fir / Defects

Wounds and injuriesHow to reduce injuries to residual trees during stand management activitiesPaul E. Aho

How to reduce injuries to residual trees during stand management activities

Paul E. Aho · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station

17 sayfa · 1983

Logging / Trees / Wounds and injuries