Vacuum transfer system increases sugar maple sap yield
By: Russell S. Walters
Contributors: Northeastern Forest Experiment Station (Radnor, Pa.); United States. Forest Service
Series: USDA Forest Service research note NE -- 264
Publisher: Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station
Published: 1978
Place of publication: Broomall, Pa
Language: eng
Subjects: Sap; Sugar maple
Notes: Bibliography: p. 4