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Comparative Effects Of Precommercial Thinning Urea Fertilizer And Red Alder In A Site Ii Coast Douglas Fir Plantation
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Book Synopsis Comparative Effects of Precommercial Thinning, Urea Fertilizer, and Red Alder in a Site II, Coast Douglas-fir Plantation by : Richard E. Miller
Download or read book Comparative Effects of Precommercial Thinning, Urea Fertilizer, and Red Alder in a Site II, Coast Douglas-fir Plantation written by Richard E. Miller and published by . This book was released on 1999 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comparative Effects of Precommercial Thinning, Urea Fertilizer, and Red Alder in a Site II, Coast Douglas-fir Plantation by : Richard E. Miller
Download or read book Comparative Effects of Precommercial Thinning, Urea Fertilizer, and Red Alder in a Site II, Coast Douglas-fir Plantation written by Richard E. Miller and published by . This book was released on 1999 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comparative Effects of Urea Fertilizer and Red Alder in a Site III, Coast Douglas-fir Plantation in the Washington Cascade Range by :
Download or read book Comparative Effects of Urea Fertilizer and Red Alder in a Site III, Coast Douglas-fir Plantation in the Washington Cascade Range written by and published by . This book was released on 2005 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Five randomly assigned treatments were used to quantify effects of adding varying numbers of red alder (Alnus rubra Bong.) or nitrogen (N) fertilization on growth of a 10-year-old conifer plantation at a medium quality site in the western Washington Cascade Range. Zero, 20, 40, and 80 alder trees per acre were retained along with about 300 conifers per acre. Nearly all conifers were coast Douglas-fir (Pseudotsuga menziesii var. menziesii (Mirb.) Franco). A fifth treatment substituted N fertilizer for N-fixing alder. Changes in average tree height, and in numbers of trees, basal area, and volume per acre between plantation ages of 10 and 27 are compared. In pure conifer plots, gross volume growth averaged 26 percent greater on fertilized than nonfertilized plots, indicating measurable benefits of additional N. On both fertilized and nonfertilized plots, an average of 13 percent of the original conifers died. Retaining 20, 40, or 80 alder per acre (7, 13, and 27 percent of the associated conifer trees per acre, respectively) was associated with reduced numbers of Douglas-fir by about 19, 5, and 17 percent, respectively, in the next 17 years. Mortality and growth of Douglas-fir were not related to alder density, but losses of Douglas-fir were especially large on plots where relatively large red alder (20 per acre) were retained. Neither total stand nor conifer yields were changed by retaining alder. Additional comparisons are needed at other locations, especially those with known N deficiency.
Book Synopsis Comparative Effects of Urea Fertilizer and Red Alder in a Site III, Coast Douglas-Fir Plantation in the Washington Cascade Range by : United States Department of Agriculture
Download or read book Comparative Effects of Urea Fertilizer and Red Alder in a Site III, Coast Douglas-Fir Plantation in the Washington Cascade Range written by United States Department of Agriculture and published by CreateSpace. This book was released on 2015-06-26 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Five randomly assigned treatments were used to quantify effects of adding varying numbers of red alder (Alnus rubra Bong.) or nitrogen (N) fertilization on growth of a 10-year-old conifer plantation at a medium-quality site in the western Washington Cascade Range. Zero, 20, 40, and 80 alder trees per acre were retained along with about 300 conifers per acre. Nearly all conifers were coast Douglas-fir (Pseudotsuga menziesii var. menziesii (Mirb.) Franco). A fifth treatment substituted N fertilizer for N-fixing alder. Changes in average tree height, and in numbers of trees, basal area, and volume per acre between plantation ages of 10 and 27 are compared. In pure conifer plots, gross volume growth averaged 26 percent greater on fertilized than nonfertilized plots, indicating measurable benefits of additional N.
Book Synopsis Comparative Effects of Urea Fertilizer and Red Alder in a Site III, Coast Douglas Fir Plantation in the Washington Cascade Range by : Richard E. Miller
Download or read book Comparative Effects of Urea Fertilizer and Red Alder in a Site III, Coast Douglas Fir Plantation in the Washington Cascade Range written by Richard E. Miller and published by . This book was released on 2005 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research Paper PNW. written by and published by . This book was released on 1978 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Red Alder written by Robert Leslie Deal and published by . This book was released on 2006 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: In March 23-25, 2005, an international symposium on red alder was held at the University of Washington Center for Urban Horticulture in Seattle, WA. The symposium was entitled S2Red alder: A State of KnowledgeS3 and brought together regional experts to critically examine the economic, ecological and social values of red alder. The primary goal of the symposium was to discuss new advances in the understanding of red alder biology and silviculture, changing market and nonmarket values, and the current regulatory climate for management of alder. This proceedings includes 14 papers based on oral presentations given at the symposium. These papers highlight some of the key findings from the history, ecology, biology, silviculture and economics sessions presented at the red alder symposium.
Book Synopsis General Technical Report PNW-GTR by :
Download or read book General Technical Report PNW-GTR written by and published by . This book was released on 2006 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Coniferous Forests by : F.A. Andersson
Download or read book Coniferous Forests written by F.A. Andersson and published by Elsevier. This book was released on 2005-12-15 with total page 654 pages. Available in PDF, EPUB and Kindle. Book excerpt: Starting with an account of the history and distribution of the conifers, this volume describes the most important areas in Asia, Europe, North and South America with conifer forests. The last in the "Ecosystem of the World" series, it deals with the functional aspects of the conifer forests, such as physiology, production, biomass, and more.
Book Synopsis AIMing for Healthy Forests by : Andrew B. Carey
Download or read book AIMing for Healthy Forests written by Andrew B. Carey and published by . This book was released on 2007 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 2000 with total page 900 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Early Survival and Growth of Planted Douglas-fir with Red Alder in Four Mixed Regimes by : Marshall D. Murray
Download or read book Early Survival and Growth of Planted Douglas-fir with Red Alder in Four Mixed Regimes written by Marshall D. Murray and published by . This book was released on 1986 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Year in Review for the Pacific Northwest Research Station by : Pacific Northwest Research Station (Portland, Or.)
Download or read book A Year in Review for the Pacific Northwest Research Station written by Pacific Northwest Research Station (Portland, Or.) and published by . This book was released on 2000 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Initial and Continued Effects of a Release Spray in a Coastal Oregon Douglas-fir Plantation by : Richard E. Miller
Download or read book Initial and Continued Effects of a Release Spray in a Coastal Oregon Douglas-fir Plantation written by Richard E. Miller and published by . This book was released on 1996 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Compendium of Current Coast Range Research by :
Download or read book Compendium of Current Coast Range Research written by and published by . This book was released on 1989 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Urea Fertilizer Increases Growth of 20-year-old, Thinned Douglas-fir on a Poor Quality Site by : Richard E. Miller
Download or read book Urea Fertilizer Increases Growth of 20-year-old, Thinned Douglas-fir on a Poor Quality Site written by Richard E. Miller and published by . This book was released on 1977 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Licensing News by : California. Professional Foresters Registration
Download or read book Licensing News written by California. Professional Foresters Registration and published by . This book was released on 2000 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt:
