Variation of sugar maple sap yield and its influence on experimental design
By: by Barton M. Blum and Carter B. Gibbs.
Contributors: Gibbs, Carter B. 1925-
Series: Research paper NE -- 108.
Publisher: Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1968
Place of publication: Upper Darby, Pa
Language: eng
Subjects: Sugar maple -- Tapping; Sap
Notes: Cover title.

Bibliography: p. 8.