Forestry Research Notes, Volumes 248-280University of Wisconsin, Department of Forestry., 1982 |
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... hardwoods , southern softwoods and hardwoods and western woods ( mostly softwoods ) . The changes in the relative percentages with time are given in Table 2 , including the early use and dominance of spruce and poplar . These latter ...
... hardwoods , southern softwoods and hardwoods and western woods ( mostly softwoods ) . The changes in the relative percentages with time are given in Table 2 , including the early use and dominance of spruce and poplar . These latter ...
Pagina 1
... Hardwoods Red alder Quaking aspen Black cottonwood Pacific madrone Big leaf maple Paper birch Tanoak Hardwoods Northern U.S. Conifers Red pine Jack pine E. white pine White spruce Black spruce E. hemlock E. red - cedar N. white - cedar ...
... Hardwoods Red alder Quaking aspen Black cottonwood Pacific madrone Big leaf maple Paper birch Tanoak Hardwoods Northern U.S. Conifers Red pine Jack pine E. white pine White spruce Black spruce E. hemlock E. red - cedar N. white - cedar ...
Pagina 2
... , misc . 5 / Douglas - fir , hemlock , pines , redwood , spruces , alder and other hardwoods 6 / Included in northern softwoods 7 / Included in northern hardwoods Table 3 . U.S. Hardwood Pulpwood Consumption , 1939-1983 ( -1B-
... , misc . 5 / Douglas - fir , hemlock , pines , redwood , spruces , alder and other hardwoods 6 / Included in northern softwoods 7 / Included in northern hardwoods Table 3 . U.S. Hardwood Pulpwood Consumption , 1939-1983 ( -1B-
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acidic deposition average Balsam Gall Midge basal area biomass black walnut Bockheim Carbofuran COLLEGE OF AGRICULTURAL cone COOPERATING WITH DEPARTMENT County DEPARTMENT OF FORESTRY DEPARTMENT OF NATURAL Department Steenbock Memorial diameter Diazinon Documents Department Steenbock effects equations fiber forest ecosystems FORESTRY RESEARCH NOTES fumigated hardwoods height growth insecticide jack pine kg/ha/yr Lake landowners larvae leaf Madison Minnesota NATURAL RESOURCES COLLEGE nematodes Neodiprion northern red oak Oecologia parasitoids pine sawfly Pinus resinosa plantation plants plots predicted pulp pulpwood pulpwood consumption Pydrin red pine regeneration relative humidity RESEARCH NOTES UNIVERSITY residual sample sawfly SCHOOL OF NATURAL SCIENCES COOPERATING seed orchard seed sources seedlings shelterbelt SO₂ species spruce stand Steenbock Memorial Library stems per acre stocking stomatal stomatal aperture subject tree sugar maple sulfate T. T. Kozlowski Table termites trees per acre UNIVERSITY OF WISCONSIN-MADISON Vilas County white pine WISCONSIN-MADISON DEPARTMENT wood wood pulp