USDA Forest Service, Pacific Northwest Research Station, Portland, Oregon. But because it tends to be somewhat softer than these woods, you should avoid using it for tabletops and other projects that take abuse. Red alder is peeled into veneer for both low-grade core stock and high-grade face material. For short-term storage, dry seed can be stored in sealed containers in the refrigerator with no loss in viability. Density management guide for red alder. 1989. Fur beaver can cause extensive mortality of saplings and trees up to 150 ft from streams.Voles, mice, and other rodents often severely damage seedlings, particularly in grassy or marshy areas. Cumulative effects of periodic frosts produce poor quality stands.Periodic exposure to high winds can greatly reduce stem quality and height growth of red alder. The wood is without any characteristic taste or odor.Kiln-drying the lumber as soon as possible after sawing prevents mottling. HIBBS. Rays are present and of two types, narrow (simple) and broad (aggregate). The Tree is a deciduous tree, it will be up to 30 m (99 ft) high. And loggers who daily fell the mighty Douglas fir prefer the heat of a winter fire fueled by red alder. 6 p.RAETTIG, T., G.R.
Smaller clearings (less than 20 acres) with a seed source on at least two sides can regenerate well. The Red Alder is botanically called Alnus rubra. General Technical Report PNW-192. The green MC of the wood averaged 98 percent (ovendry basis).AGER, A.A., P.E. DeBell, and W.A. Forest Research Laboratory, Oregon State University, Corvallis. Red alder are very sensitive to this damage; effects on young trees include decreased growth, multiple stems, and poor stem form.
Moderate crowding will induce lower branch mortality with minimal reductions in diameter growth. Red alder: guidelines for successful regeneration. Nitrogen fixation via red alder’s symbiotic association with Frankia can compensate for deficiencies in soil N.After collection, cones should be airdried in paper or cloth bags. USDA Forest Service, Pacific Northwest Forest and Range Experiment Station, Portland, Oregon. Like the rest of the Alder family, Red Alder has symbiotic bacteria living in nodules on its roots that improve the soil by releasing water-soluble nitrogen based compounds. Extension Circular 1377.
Chemical site preparation may be most cost-effective for controlling both shrubby and herbaceous competitors.
Air column machines can be used to remove small trash and empty seed. Expect to pay about $3 per board foot for Selects and Better, the finest grade.You may be able to buy red alder at retail hardwood outlets in the Midwest. 1984.
Research Paper PNW-56. 1989. Research Paper PNW-358. Utilization of red alder in the Pacific Northwest.
Red alder harvesting opportunities in western Oregon.
Seed trees on the north side of a unit are preferable, since dispersal is accomplished primarily by drying north winds in the late fall and winter.Conditions favorable for natural regeneration of red alder often produce an overabundance of seedlings (exceeding 100,000 stems per acre), and early precommercial thinning may be necessary to prevent stagnation or poor growth.Red alder are not easily established from unrooted cuttings.
Harrington’s 1986 study, “A method of site quality evaluation for red alder,” should be used for evaluating a site when there are no representative red alder present.For red alder, risks of excessive mortality and damage from sunscald, heat, or drought are high on southerly aspects, particularly inland on steep slopes. Oregon State University Extension Service, Corvallis, Oregon. USDA Forest Service, Pacific Northwest Research Station, Portland, Oregon.
Steaming the kiln charge at different temperatures for different lengths of time will result in different colored wood (from white to dark red); this technique allows the kiln operator to select the desired final color. Description Red Alder is the most common native hardwood in the Pacific Northwest extending from southern California north to southeastern Alaska. An earlier study conducted with NHLA standard grades (rather than the modified red alder and maple grades) showed that the average green lumber grade recovery from alder logs was lower than that of other eastern and western hardwoods for a given log grade (Most of the high-grade lumber is used for furniture, cabinets, and turned products. Special Publication 18.
Forest Research Laboratory, Oregon State University, Corvallis, Oregon.
The heartwood and sapwood are both a rich reddish brown with straight, close grain.
USDA Forest Service, Pacific Northwest Forest and Range Experiment Station, Portland, Oregon. Lumber prices have remained high and are competitive with prices for eastern hardwoods.
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