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  1. Paraformaldehyde pellet not necessary in vacuum-pumped maple sap system

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    Author(s): H. Clay Smith; Carter B. Gibbs
    Date: 1970
    Source: Research Note NE-118. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 4p.
    Publication Series: Research Note (RN)
    Station: Northeastern Research Station
    PDF: View PDF  (257.9 KB)

    Description

    In a study of sugar maple sap collection through a vacuum-pumped plastic tubing system, yields were compared between tapholes in which paraformaldehyde pellets were used and tapholes without pellets, Use of the pellets did not increase yield.

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    Citation

    Smith, H. Clay; Gibbs, Carter B. 1970. Paraformaldehyde pellet not necessary in vacuum-pumped maple sap system. Research Note NE-118. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 4p.

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