Silvics of Forest Trees of the United StatesU.S. Department of Agriculture, Forest Service, 1965 - Broj stranica: 762 |
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acorns acre Alaska Amer annual areas aspen Associated Trees average balsam bark birch buds California cones cottonwood damage Douglas-fir Early Growth Flowering eastern feet tall Forest and Range Forest Expt Forestry germination grand fir HABITAT CONDITIONS Climate hardwoods height growth hickory HISTORY Reproduction insects jack pine Jeffrey pine Jour LITERATURE CITED loblolly pine lodgepole pine moisture North northern northern red oak numbers in parentheses occurs Oregon Pacific percent pine seedlings Pine Type Pinus plants ponderosa pine produced RACES AND HYBRIDS Range Expt red oak red pine redcedar region Reproduction and Early Revised from Silvical Rocky Mountain root Sapling Stage Seed production shortleaf shrubs slopes South southeastern southern species sprouts Stage to Maturity stands swamp Tech temperatures tolerant U.S. Dept U.S. Forest Serv usually vegetation Virginia pine western hemlock western redcedar western white pine white fir white oak white spruce white-cedar yellow-poplar
Popularni odlomci
Stranica 553 - Moore, AW 1940. Wild Animal Damage to Seed and Seedlings on Cut-'-over Douglas-fir lands of Oregon and Washington.
Stranica 14 - F. (1935). Heart Rot of Balsam Fir in the Lake States with Special Reference to Forest Management.
Stranica 87 - Red Alder of the Pacific Northwest, Its Utilization, with Notes on Growth and Management. US Dept.
Stranica 534 - B. 1934. Poplars, principal tree willows and walnuts of the Rocky Mountain region.
Stranica 442 - Amount and Mineral Nutrient Content of Freshly Fallen Needle Litter of Some Northeastern Conifers.
Stranica 619 - It is usually 70 to 80 feet in height, and 2 to 3 feet in diameter, though sometimes much larger.
Stranica 708 - THE ROLE OF FIRE IN ALTERING THE SPECIES COMPOSITION OF FORESTS IN RHODE ISLAND.
Stranica 533 - Physiol. 3: 795-800. 1921. , and LWR JACKSON. Heartrot of aspen with special reference to forest management in Minnesota. Minn. Agr. Expt.
Stranica 61 - ZILLGITT 1953 Partial cuttings in northern hardwoods of the Lake States, twenty-year experimental results. US Dept. Agr., Tech. Bull. no. 1076, p. 8. 1940 "DISTRIBUTION OF FORESTS IN THE LAKE STATES [OF MINNESOTA, WISCONSIN, AND MICHIGAN]" in color 1:2,000,000 LEGEND 1.
Stranica 522 - ALBERTSON, FW, and JE WEAVER. 1945. "injury and death or recovery of trees in prairie climate.