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Effect of Seedling Age and Taproot Length on Performance of Oak

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White oak and northern red oak seedlings were planted in an old field site in Indiana and evaluated for 9 yr to determine if seedling age and initial taproot length affected growth performance. Both 1-0 and 2-0 seedlings were produced in specially designed containerized seedbeds that provided for root pruning to lengths of 23 and 30 cm through control of the level of water saturation in the rooting medium. Survival of both species was high, 95%-100%. Northern red oak growth was not significantly influenced by initial seedling age or taproot length. White oak, however, performed the best when seedlings were 2 yr old and had a 30 cm long taproot. Seedling age was the more important factor affecting growth. North. J. Appl. For. 10(4):175-178.
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Document Type: Journal Article

Affiliations: Department of Forestry and Natural Resources, Purdue University, West Lafayette, IN 47907

Publication date: 1993-12-01

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  • Each regional journal of applied forestry focuses on research, practice, and techniques targeted to foresters and allied professionals in specific regions of the United States and Canada. The Northern Journal of Applied Forestry covers northeastern, midwestern, and boreal forests in the United States and Canada.
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