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A guide to sugarbush stocking. Based on the crown diameter/D.b.h. relationship of open-grown sugar maplesAuthor(s): H. Clay Smith; Carter B. Gibbs; Carter B. Gibbs
Source: Res. Pap. NE-171. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 8 p.
Publication Series: Research Paper (RP)
Station: Northeastern Research Station
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DescriptionSugarbush managers have long needed a guide for determining the stocking of their sugar maple stands. The question is: for desirable sugar maple sap production, how many trees per acre are needed? To provide information about stocking, the USDA Forest Service's sugar maple sap production project at Burlington, Vermont, has made a regionwide study of the relationships between crown diameter and d.b.h. (diameter breast high) of open-grown sugar maple trees (Acer saccharurn Marsh.). We found a strong relationship between crown diameter and d.b.h., and converted these data into stocking guides for various stand-size classes. The stocking guide are based on the assumption that trees with full crowns produce the best sap yields.
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CitationSmith, H. Clay; Gibbs, Carter B. 1970. A guide to sugarbush stocking. Based on the crown diameter/D.b.h. relationship of open-grown sugar maples. Res. Pap. NE-171. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 8 p.
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