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Douglass F. Roy

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The Clements growth prediction charts for residual stands of mixed conifers in California

by Douglass F. Roy First published in 1955 — 1 edition
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Douglas-fir seed dispersal in Northwestern California

by Douglass F. Roy First published in 1960 — 1 edition
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Silvical characteristics of Monterey pine (Pinus radiata D. Don)

by Douglass F. Roy First published in 1966 — 1 edition

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Silvical characteristics of Redwood (S̲e̲q̲o̲i̲a̲ s̲e̲m̲p̲e̲r̲v̲i̲r̲e̲n̲s̲ [D̲ D̲on] E̲n̲d̲l̲.)

by Douglass F. Roy First published in 1966 — 1 edition

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Clements Growth Prediction Charts for Residual Stands of Mixed Conifers in California; No. 9

by Douglass F. Roy and California Forest and Range Experimen First published in 2021 — 1 edition

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Seed spotting with Endrin-Treated Douglas-Fir Seed in Northwestern California

by Douglass F. Roy First published in 1961 — 1 edition
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K-screen seed spots

by Douglass F. Roy First published in 1953 — 1 edition
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Don't plant close to unbarked trees!

by Douglass F. Roy First published in 1955 — 1 edition
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Killing tanoak in northwestern California

by Douglass F. Roy First published in 1956 — 1 edition
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Effects of ground cover and class of planting stock on survival of transplants in the eastside pine type of California

by Douglass F. Roy First published in 1953 — 1 edition
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A record of tanoak acorn and seedling production in northern California

by Douglass F. Roy First published in 1957 — 1 edition
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Small seed traps perform well in the Douglas-fir type of California

by Douglass F. Roy First published in 1959 — 1 edition
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OLID: OL4941004A

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