Brad Withrow-Robinson

An inventory of all the different kinds of soils in many Oregon counties is available. These inventories were made starting in the 1970’s by soil scientists of the U.S. Dept. of Agriculture Soil Conservation Service in cooperation with the OSU Agricultural Experiment Station and Dept. of Soil Science. The soil scientists dug hundreds of holes, observed the landscapes and ...

By Brad Withrow-Robinson, Debra Zaveson | Article

Competition and Density in Woodland Stands

Jun 2018

Get the most out of your woodland with a thorough look at competition among trees and the density of your woodland stand. Learn to use the relative density scale and a stand density table specific to your tree species to determine the best time to thin your trees to achieve your desired results.

By Brad Withrow-Robinson, Doug Maguire | OSU Extension Catalog

TreeTopics Blog

Mar 2018

The TreeTopics blog is used as a means to communicate information and share perspectives with woodland owners and other people interested in forest management.

By Amy Grotta, Brad Withrow-Robinson | Online Resource

Choosing the Right Service Provider for your Family Forest: Chemical Applicator

Oct 2017

Many family forest owners depend on professional operators to help get things done on their property. This often includes the important task of weed control. Finding the right person for the job is important. Finding the right person starts with knowing what to look for when hiring. This publication helps with this process. This publication can be downloaded in two different ...

By Brad Withrow-Robinson | OSU Extension Catalog

Who is turning my trees into an acorn pantry?

Sep 2015

What is killing my tree limbs? It seems that whatever it is, the woodpeckers have a field day then either squirrels or something else is filling in all of the holes caused by the woodpecker with acorns.

By Brad Withrow-Robinson | Featured Question