Research note NE-(series). NE-122. Comparison of vacuum and gravity sap flows from paired sugar maple trees [with list of literature cited; by H. Clay Smith and Carter B. Gibbs.
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Comparison of vacuum and gravity sap flows from paired sugar maple trees [with list of literature cited; by H. Clay Smith and Carter B. Gibbs.
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Research note NE-(series). NE-122. Comparison of vacuum and gravity sap flows from paired sugar maple trees [with list of literature cited; by H. Clay Smith and Carter B. Gibbs.