David W. Johnson
3 publications by David W. Johnson:
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Fusarium Root Rot
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Publication: Forest Nursery Pests (1989) - Conifer Diseases
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Seed-protectant fungicides for control of Douglas-fir and ponderosa pine seedling root rots
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Publication: Tree Planters' Notes - Volume 26, Number 2 (1975)
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The Major Causes of Loss of Seeds Sown in 1972 at the Wind River Nursery, Carson, Washington
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Publication: Tree Planters' Notes - Volume 26, Number 3 (1975)
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