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Determining sap sweetness in small sugar maple treesAuthor(s): Melvin R. Koelling
Source: Research Note NE-76. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 4P.
Publication Series: Research Note (RN)
Station: Northeastern Research Station
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DescriptionDescribes a technique based on the use of a hypodermic needle for determining sap-sugar concentrations in small trees. The technique is applicable to pot cultures in greenhouses and also, with the use of a movable shelter, to seedlings in nursery beds.
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CitationKoelling, Melvin R. 1967. Determining sap sweetness in small sugar maple trees. Research Note NE-76. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 4P.
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