The relationship between sap-flow rate and sap volume in dormant sugar maples
By: William J. Gabriel, Russell S. Walters, Donald W. Seegrist
Contributors: Walters, Russell S.; Seegrist, Donald W.; Northeastern Forest Experiment Station (Radnor, Pa.); United States. Forest Service
Series: USDA Forest Service research note NE -- 153; USDA Forest Service research note NE -- 153.
Publisher: Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station
Published: 1972
Place of publication: Upper Darby, PA
Language: eng
Subjects: Sap; Sugar maple; Tapping
Notes: Caption title.

Includes bibliographical references (p. 4).