Relation of Sap and Sugar Yields to Physical Characteristics of Sugar Maple Trees
Abstract:Relationships of crown size, bole size, competition, and growth to sap-volume yield, sap-sugar concentration, and total sugar yield were examined in sugar maple trees (Acer saccharum Marsh.), using stepwise regression and covariance analyses. Observations were made on 60 trees located in each of three sugarbushes in Vermont. Derived equations were not precise enough for prediction of yields; relation among variables differed among sugarbushes and years. Physical characteristics of individual trees are good criteria for judging potential yield in a broad sense, but past importance placed on them was not justified. Forest Sci. 19:175-179.
Document Type: Journal Article
Affiliations: Silviculturist, Northeastern Forest Experiment Station, Forest Service, U.S. Department of Agriculture, Orono, Maine
Publication date: 1973-09-01
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- Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.
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