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Author : Walter G. Dahms
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (319 download)
Download or read book Seed Production of Central Oregon Ponderosa and Lodgepole Pines written by Walter G. Dahms and published by . This book was released on 1975 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Walter G. Dahms
Publisher : Forgotten Books
ISBN 13 : 9781390415889
Total Pages : 30 pages
Book Rating : 4.4/5 (158 download)
Download or read book Seed Production of Central Oregon Ponderosa and Lodgepole Pines (Classic Reprint) written by Walter G. Dahms and published by Forgotten Books. This book was released on 2018-09-11 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Seed Production of Central Oregon Ponderosa and Lodgepole Pines Mountain variety, cones are generally not serotinous and seeds are shed within the first year after cone maturation (critchfield 1957, Mowat 1960, Trappe and Harris Furthermore, central Oregon lodgepole pine stands are normally regenerated by natural means, usually shelterwood. The present desire to maintain a continuous forest cover also makes the shelterwood or seed tree method an attractive approach to regener ating even-aged ponderosa pine (pinus ponderosa) stands and increases interest in frequency and size of ponderosa pine seed cr0ps. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author : Kenneth W. Seidel
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (319 download)
Download or read book A Ponderosa Pine-lodgepole Pine Spacing Study in Central Oregon written by Kenneth W. Seidel and published by . This book was released on 1989 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frank C. Sorensen
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (319 download)
Download or read book Genetic Variation and Seed Transfer Guidelines for Lodgepole Pine in Central Oregon written by Frank C. Sorensen and published by . This book was released on 1992 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frank C. Sorensen
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.:/5 (319 download)
Download or read book Genetic Variation and Seed Transfer Guidelines for Ponderosa Pine in Central Oregon written by Frank C. Sorensen and published by . This book was released on 1994 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.3/5 (91 download)
Download or read book USDA Forest Service Research Paper PNW. written by Pacific Northwest Forest and Range Experiment Station (Portland, Or.) and published by . This book was released on 1975 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : P. H. Cochran
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (319 download)
Download or read book Natural Regeneration of Lodgepole Pine in South-central Oregon written by P. H. Cochran and published by . This book was released on 1973 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: A sequence of events is necessary for natural regeneration in the pumice soil region: Adequate seed must be probed and distributed over the area, germination must be favored by warm and moist surface soils, daily surface temperature variation must be moderate, seedlings must survive summer drought, and weather conditions must prevent severe frost heaving the fall after germination and the next spring. This sequence does not always occur within a reasonable time after cutting, and natural regeneration is often delayed. Four possibilities are open to the land manager: (1) declare as noncommercial some severe sites such as lodgepole pine/needlegrass and lodgepole pine/bitterbrush/needlegrass plant communities on flat or basin topography; (2) depend more on a planting program; (3) leave a light slash cover on the surface after shelterwood or narrow strip cutting; and (4) leave a shelterwood on the area after a more thorough slash treatment and be willing to wait much longer than 5 years for natural regeneration. Some problems now exist in obtaining good lodgepole planting stock. Also the slash cover does not guarantee success of natural regeneration and option 3 might turn into option 4.
Author : Frank C. Sorensen
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (319 download)
Download or read book Self-fertility of a Central Oregon Source of Ponderosa Pine written by Frank C. Sorensen and published by . This book was released on 1970 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ronald Eugene Stewart
Publisher :
ISBN 13 :
Total Pages : 642 pages
Book Rating : 4.F/5 ( download)
Download or read book Budbreak Sprays for Site Preparation and Release from Six Coastal Brush Species written by Ronald Eugene Stewart and published by . This book was released on 1974 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 222 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Foresters' Almanac, 1977 written by and published by . This book was released on 1977 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 224 pages
Book Rating : 4.:/5 (2 download)
Download or read book USDA Forest Service General Technical Report PNW. written by and published by . This book was released on 1977 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : P. H. Cochran
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (319 download)
Download or read book Pumice Particle Bridging and Nutrient Levels Affect Lodgepole Pine and Ponderosa Pine Seedling Development written by P. H. Cochran and published by . This book was released on 1971 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Les Joslin
Publisher :
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.3/5 (121 download)
Download or read book Ponderosa Promise written by Les Joslin and published by . This book was released on 2007 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research interest in the forests of Oregon and Washington east of the Cascade Range can be traced back to 1897, when Fredrick V. Coville of the Division of Forestry, U.S. Department of Agriculture, reconnoitered the Cascade Range Forest Reserve to report on forest growth and sheep grazing there in an 1898 report. Subsequent forest survey in the late 1890s and early 1900s was stimulated by anticipation of the timber boom that would follow arrival of a railroad. In 1908, Gifford Pinchot's new Forest Service sent young Thornton Taft Munger to study the encroachment of lodgepole pine (Pinus contorta Dougl. ex Loud.) on the more valuable ponderosa pine (Pinus ponderosa Dougl. ex Laws.) stands. By the end of the year, Munger was in charge of the North Pacific District's one-man Section of Silvics, which evolved to become the Pacific Northwest Forest Experiment Station in 1924 with him at the helm. The forest research effort east of the Cascade Range picked up speed with establishment in 1931 of the Pringle Falls Experimental Forest to research the ecologically and economically viable silvicultural systems that would convert the stagnant old-growth forests into more-productive secondgrowth forests. During the ensuing six and one-half decades, a small group of Forest Service researchers and their university counterparts working at the experimental forest and, beginning in 1963, the Bend Silviculture Laboratory, pioneered and pursued the practical silvicultural research that both led and responded to the evolution of their science.
Author : Andrew P. Youngblood
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.3/5 (121 download)
Download or read book Research Publications of the Pringle Falls Experimental Forest, Central Oregon Cascade Range, 1930 to 1993 written by Andrew P. Youngblood and published by . This book was released on 1995 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : P. H. Cochran
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (31 download)
Download or read book Growth of Ponderosa Pine Thinned to Different Stocking Levels in Central Oregon written by P. H. Cochran and published by . This book was released on 1999 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frank C. Sorensen
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (319 download)
Download or read book Genetic Variation and Seed Transfer Guidelines for Ponderosa Pine in the Ochoco and Malheur National Forests of Central Oregon written by Frank C. Sorensen and published by . This book was released on 1994 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William Burke Critchfield
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.:/5 (319 download)
Download or read book Genetics of Lodgepole Pine written by William Burke Critchfield and published by . This book was released on 1980 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
