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Financial considerations in deciding when to harvest timber

Creator:: Duddles, Ralph E. and Oregon State University. Extension Service
Abstract:: This publication focuses on even aged, fully stocked, Douglas-fir stands. Because of fire history and past harvesting patterns, such stands dominate west of the Cascades throughout much of Oregon, Washington, and northern California. Stand volumes and dollar values will be different for other species.
Resource Type:: Technical Report
Full Text:: decision. Ralph E. Duddles, Extension forestry agent, Coos and Curry counties, Oregon State University

Understanding and controlling deer damage in young plantations

Creator:: Duddles, Ralph E., Edge, W. Daniel, and Oregon State University. Extension Service
Abstract:: This publication familiarizes woodland owners with ways to minimize or prevent damage by black-tailed and mule deer in young plantations.
Resource Type:: Technical Report
Full Text:: • Reprinted June 1999 $2.00 R.E. Duddles and W.D. Edge REFORESTATION Ralph E. Duddles, Extension

Introduction to conifer release [2002]

Creator:: Duddles, Ralph E., Cloughesy, Mike, and Oregon State University. Extension Service
Abstract:: Recently reforested sites revegetate quickly after timber harvesting. Competition for essential growth elements—sunlight, moisture, and nutrients—often depresses the vigor and survival of the desired crop trees. Competition comes from grasses, broadleaf weeds called forbs, shrubs, or less valuable tree species.
Resource Type:: Technical Report
Full Text:: REFORESTATION Ralph E. Duddles, Extension forestry agent, Coos and Curry counties; and Mike Cloughesy

Controlling vole damage to conifer seedlings

Creator:: Duddles, Ralph E., DeCalesta, David S., and Oregon State University. Extension Service
Abstract:: Voles, or meadow mice as they’re commonly called, can cause significant economic damage to conifer seedlings on reforestation sites and Christmas tree plantations.
Resource Type:: Technical Report
Full Text:: ears are hid Both have hi They are capab Ralph E. Duddle (forestry), Coos David S. DeCale wildlife

Selecting and buying quality seedlings

Creator:: Duddles, Ralph E., Landgren, Chal G., and Oregon State University. Extension Service
Abstract:: Successful reforestation of your harvested timberland is more than just planting a few trees and hoping they will grow. To ensure success, you first must answer several key questions: • What species should I plant? • What kind of seedlings should I select? • How can I tell whether their...
Resource Type:: Technical Report
Full Text:: Summary .................................. 11 For more information ................. 12 Ralph E

Managing western hemlock forests in the Oregon Coast Range

Creator:: Duddles, Ralph E., Fitzgerald, Stephen Arthur, and Oregon State University. Extension Service
Abstract:: Western hemlock forests in the coastal areas of Oregon are some of the most productive and diverse forests in the world. This rich diversity represents both a challenge and an opportunity for woodland owners interested in managing western hemlock on their property.
Resource Type:: Technical Report
Full Text:: example illustrated ............... 15 Ralph E. Duddles, Extension forestry agent, Coos and Curry

Introduction to conifer release [2014]

Creator:: Huff, Tristan, Cloughesy, Mike, Duddles, Ralph E., and Oregon State University. Extension Service
Abstract:: Successful regeneration of forest stands often requires that crop trees be released from competing vegetation. This publication provides basic information on how to determine if release is necessary and methods for release.
Resource Type:: Technical Report
Full Text:: , Coos County, Oregon State University. Original publication by Ralph E. Duddles, Extension forestry

Controlling mountain beaver damage in forest plantations

Creator:: Oregon State University. Extension Service, DeCalesta, David S., Duddles, Ralph, Bondi, Michael C., and Durham, Ron
Abstract:: Reprinted January 1993. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: . deCalesta, former Extension wildlife specialist; Ralph Duddles, Extension agent (forestry), Coos and Curry

Managing your own timber sale : guidelines for success

Creator:: Oregon State University. Extension Service, Elwood, Norman E., Bowers, S. (Steven Clay), Campbell, Allan, 1936-, Clements, Steve, Duddles, Ralph, Fitzgerald, Stephen, Fletcher, Rick, Garland, John, Kavanagh, Katy, Kramer, Mari J., and Oester, Paul
Abstract:: Published August 1997. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: Clements, Extension forestry assistant. Union County; Ralph Duddles, Extension agent. Coos and Curry

Eжевика и Малина [2013]

Creator:: Hart, John M. (John Mervyn), 1947-, Strik, Bernadine C. (Bernadine Cornelia), 1962-, Rempel, Hannah Gascho, and Oregon State University. Extension Service
Abstract:: Несколько видов ягодных культур коммерчески выращивают в штате Орегон, в том числе, летом плодоносящие и плетье-плодоносящие малины (красная и черная) и ежевика то есть ажина. Эта публикация направлена на оценку содержания и внесения питательных веществ, применяющихся в выращивании кустарных ягод в западной части Орегона.
Resource Type:: Technical Report
Full Text:: , USDA-ARS, Corvallis, OR. This publication replaces FG 51-E, Caneberries Fertilizer Guide. Несколько

ScholarsArchive@OSU

Financial considerations in deciding when to harvest timber

Understanding and controlling deer damage in young plantations

Introduction to conifer release [2002]

Controlling vole damage to conifer seedlings

Selecting and buying quality seedlings

Managing western hemlock forests in the Oregon Coast Range

Introduction to conifer release [2014]

Controlling mountain beaver damage in forest plantations

Managing your own timber sale : guidelines for success

Eжевика и Малина [2013]

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