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Effects Of Leader Topping And Branch Pruning On Efficiency Of Douglas Fir Cone Harvesting With A Tree Shaker
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Book Synopsis Effects of Leader Topping and Branch Pruning on Efficiency of Douglas-fir Cone Harvesting with a Tree Shaker by : Donald L. Copes
Download or read book Effects of Leader Topping and Branch Pruning on Efficiency of Douglas-fir Cone Harvesting with a Tree Shaker written by Donald L. Copes and published by . This book was released on 1985 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research Note PNW written by and published by . This book was released on 1985 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Tree Planters' Notes written by and published by . This book was released on 1999 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: Some no. include reports compiled from information furnished by State Foresters (and others)
Download or read book Planters' Notes written by and published by . This book was released on 1997 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: Some no. include reports compiled from information furnished by State Foresters (and others).
Book Synopsis Silvicultural Research and the Evolution of Forest Practices in the Douglas-fir Region by :
Download or read book Silvicultural Research and the Evolution of Forest Practices in the Douglas-fir Region written by and published by . This book was released on 2007 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: Silvicultural practices in the Douglas-fir region evolved through a combination of formal research, observation, and practical experience of forest managers and silviculturists, and changing economic and social factors. This process began more than a century ago and still continues. It has had a great influence on the economic well-being of the region and on the present characteristics of the regions forests. This long history is unknown to most of the public, and much of it is unfamiliar to many natural resource specialists outside (and even within) the field of silviculture. We trace the history of how we got where we are today and the contribution of silvicultural research to the evolution of forest practices. We give special attention to the large body of information developed in the first half of the past century that is becoming increasingly unfamiliar to both operational foresters andperhaps more importantlyto those engaged in forestry research. We also discuss some current trends in silviculture and silviculture-related research.
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 2007 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalogue, United States Public Documents by :
Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1986 with total page 980 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 1986 with total page 976 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book General Technical Report WO. written by and published by . This book was released on 1975 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Protecting and Enhancing America's Forests and Rangelands by :
Download or read book Protecting and Enhancing America's Forests and Rangelands written by and published by . This book was released on 1987 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bibliography of Agriculture written by and published by . This book was released on 1986 with total page 1920 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Agrindex written by and published by . This book was released on 1986 with total page 1118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Financial Analysis of Pruning Coast Douglas-fir by :
Download or read book Financial Analysis of Pruning Coast Douglas-fir written by and published by . This book was released on 1987 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Silvicultural Options for Young-growth Douglas-fir Forests by :
Download or read book Silvicultural Options for Young-growth Douglas-fir Forests written by and published by . This book was released on 2004 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes the origin, design, establishment and measurement procedures and first results of a large long-term cooperative study comparing a number of widely different silvicultural regimes applied to young-growth Douglas-fir (Pseudotsuga menziesii) stands managed for multiple objectives. Regimes consist of (1) conventional clearcutting followed by intermediate thinning; (2) retention of reserve trees to create a two-aged stand; (3) small patch cuts dispersed within a thinned matrix, repeated at approximately 15-year intervals to create a mosaic of age classes; (4) group selection within a thinned matrix on an approximate 15-year cycle; (5) continued thinning on an extended rotation; and (6) an untreated control. Each of these regimes is on operationsize units (about 30 to 70 acres each). Output variables to be evaluated include conventional timber growth and yield statistics, harvest costs, sale layout and administration costs, aesthetic effects and public acceptance, soil disturbance, bird populations, and economic aspects. Descriptive statistics and some initial results are presented for the first replicate, established in 1997-98.
Book Synopsis Pruning of Ponderosa Pine by : James Willis Barrett
Download or read book Pruning of Ponderosa Pine written by James Willis Barrett and published by . This book was released on 1968 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :International Society of Arboriculture. Performance Guidelines Committee Publisher : ISBN 13 : Total Pages :24 pages Book Rating :4.0/5 ( download)
Book Synopsis Tree-pruning Guidelines by : International Society of Arboriculture. Performance Guidelines Committee
Download or read book Tree-pruning Guidelines written by International Society of Arboriculture. Performance Guidelines Committee and published by . This book was released on 1995 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Utility Pruning of Trees by : Geoffrey P. Kempter
Download or read book Utility Pruning of Trees written by Geoffrey P. Kempter and published by . This book was released on 2004 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
