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Notes: Combustion Losses of Sulfur from Forest Foliage and Litter

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Abstract:

Sulfur (S) content of samples of ponderosa pine (Pinus ponderosa Dougl. Ex Laws.), Douglas-fir (Pseudotsuga menziesii [Mirb.] Franco), Sitka alder (Alnus sinuata [Regel] Rydb.), snowbrush ceanothus (Ceanothus velutinus [Dougl.]), and forest litter combusted in an aerated muffle furnace at 375°-575°, 575°-775°, 775°-975°, and 975°-1,175°C for 5, 30, and 60 min was compared with S content of unburned samples. Sulfur losses at 375°-575°C for 5 min ranged from 24 to 79% of S contained in unburned material. At 975°-1,175°C for 60 min, losses ranged from 61 to 92%. Results suggest that prescribed burning and wildfire could potentially cause substantial volatilization losses of S from foliage and litter. For. Sci. 33(1): 216-223.

Keywords: Alnus sinuata; Ceanothus velutinus; Fire; Pinus ponderosa; Pseudotsuga menziesii; plant nutrients; site productivity

Document Type: Miscellaneous

Affiliations: Principal Range Scientist, USDA Forest Service, Pacific Northwest Research Station, Forestry and Range Sciences Laboratory, La Grande, OR 97850

Publication date: March 1, 1987

More about this publication?
  • 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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