R. J. Steinhoff
2 publications by R. J. Steinhoff:
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Cutting Stratified Seed of Western White Pine (Pinus monticola Dougl. ex D. Don) To Determine Viability or To Increase Germination
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Publication: Tree Planters' Notes - Volumes 37, Number 1 (1986)
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Pine Pollens Frozen Five Years Produce Seed
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Publication: Tree Improvement and Genetics - Lake States Forest Tree Improvement Conference - 1965
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