Robert F. Wittwer
2 publications by Robert F. Wittwer:
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Effects of Regeneration Methods on Genetic Diversity in Shortleaf Pine (Pinus echinata Mill.)
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Publication: Tree Improvement and Genetics - Southern Forest Tree Improvement Conference - 1997
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Early Stand Development In Closely Spaced, Fertilized American Sycamore Plantations
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Publication: Tree Planters' Notes - Volume 31, Number 4 (1980)
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