Notes: Combustion Losses of Sulfur from Forest Foliage and Litter
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.
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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: 1987-03-01
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