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Title: Acorn production in northern red oak stands in northwestern Pennsylvania
Author: Auchmoody, L. R.; Smith, H. Clay; Walters, Russell S.
Source: Res. Pap. NE-680. Radnor, PA: US. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 5 p.
Description: Northern red oak acorn production was measured in 21 maturing stands on good sites in northwestern Pennsylvania. The number of acorns produced per acre varied from a low of 7,000 to nearly 273,000. Acorns were produced in all years. In no year was there consistently good acorn production at all areas, nor was there a good crop for more than two consecutive years at any location. Freezing temperatures when oaks were in flower was a major factor affecting acorn production on the Allegheny Plateau.
Keywords: acorn production, stand parameters, flowering, freezing, cap counts, acorn crop guide
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Auchmoody, L. R.; Smith, H. Clay; Walters, Russell S. 1993. Acorn production in northern red oak stands in northwestern Pennsylvania. Res. Pap. NE-680. Radnor, PA: US. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 5 p.
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