Effect of vacuum pumping on lateral movement of sap in the maple tree bole / by Barton M. Blum and Melvin R. Koelling.

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Bibliographic Details
Online Access:	Search for the full-text version of this title in HathiTrust
Main Author:	Blum, Barton M.
Corporate Authors:	United States. Department of Agriculture, Northeastern Forest Experiment Station (Radnor, Pa.)
Other Authors:	Koelling, Melvin R. (Melvin Ray), 1937-
Format:	Government Document Book
Language:	English
Published:	Upper Darby, Pa. : Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1968.
Series:	U.S. Forest Service research paper NE ; 107.
Subjects:	Sugar maple > Physiology. Sap.

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