Notes: Root Respiration Rates of Four Tree Species Grown in the Field
Abstract:Respiration by detached fine roots of tree seedlings collected in March and April near Durham, N. C., was determined by the polarographic method at 17° and 28°C. Oxygen depletion in air-saturated water ranged from 5 to 23 g of O2 per gram of root dry weight per min and averaged 14. Midwinter values for loblolly pine seedlings growing in the greenhouse were over 3½ times as high as those for similar seedlings in the field. Forest Sci. 17:492-493.
Document Type: News
Affiliations: Dean, School of Forestry, Duke University, Durham, N. C.
Publication date: 1971-12-01
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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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