Effects Of Leader Topping And Branch Pruning On Efficiency Of Douglas Fir Cone Harvesting With A Tree Shaker
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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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Author : Donald L. Copes
language : en
Publisher:
Release Date : 1985
Effects Of Leader Topping And Branch Pruning On Efficiency Of Douglas Fir Cone Harvesting With A Tree Shaker written by Donald L. Copes and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Conifers categories.
Research Note Pnw
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Author :
language : en
Publisher:
Release Date : 1985
Research Note Pnw written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Forests and forestry categories.
Tree Planters Notes
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Author :
language : en
Publisher:
Release Date : 1999
Tree Planters Notes written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Forests and forestry categories.
Some no. include reports compiled from information furnished by State Foresters (and others).
Planters Notes
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Author :
language : en
Publisher:
Release Date : 1997
Planters Notes written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Tree planting categories.
Some no. include reports compiled from information furnished by State Foresters (and others).
General Technical Report Pnw Gtr
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Author :
language : en
Publisher:
Release Date : 2007
General Technical Report Pnw Gtr written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Forests and forestry categories.
Silvicultural Research And The Evolution Of Forest Practices In The Douglas Fir Region
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Author :
language : en
Publisher:
Release Date : 2007
Silvicultural Research And The Evolution Of Forest Practices In The Douglas Fir Region written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Douglas fir categories.
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.
Monthly Catalogue United States Public Documents
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Author :
language : en
Publisher:
Release Date : 1986-11
Monthly Catalogue United States Public Documents written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986-11 with Government publications categories.
Monthly Catalog Of United States Government Publications
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Author : United States. Superintendent of Documents
language : en
Publisher:
Release Date : 1986
Monthly Catalog Of United States Government Publications written by United States. Superintendent of Documents and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Government publications categories.
February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
Protecting And Enhancing America S Forests And Rangelands
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Author :
language : en
Publisher:
Release Date : 1987
Protecting And Enhancing America S Forests And Rangelands written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Forests and forestry categories.
General Technical Report Wo
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Author :
language : en
Publisher:
Release Date : 1975
General Technical Report Wo written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Forests and forestry categories.