Describes abiotic injuries caused by weather, soil, and human behavior. Provides basic information on how to understand abiotic injures, presents common examples of abiotic injury, and discusses management control practices.
Weed control is a constant challenge for ranchers and homeowners alike. The best way to control weeds is to create an environment conducive to healthy grass growth. Here's a detailed guide on how to do it.
How to identify, manage, and prevent forest tree stem (trunk) decay. Also discusses ecologic roles of decay and decay fungi and economic losses from tree wounding and decay. Color photos throughout. Preview available online. Full version available to purchase.
Poison oak plants contain a chemical that causes a severe rash. Learn how to spot a plant, safely remove, and clean your clothes, gear and skin afterward to prevent a rash.
When winter approaches, it’s time to check your weed control plans. Noxious weeds are best controlled if you track them carefully. Weed mapping and weed calendaring are two activities important to tracking weeds so that you can properly control them. Here are a few tips to get you started.
Some plants absorb excess nitrates or oxalates from the soil and store them in plant tissues. Toxicity problems can occur in animals which feed on these plants.
Mylen Bohle, David Hannaway, Andy Hulting, Karin Neff |
Apr 2018 |
Educational gallery
Rangeland, pastures and hay fields throughout Oregon often contain poisonous plants that are dangerous to livestock. Poisonous plants, however, can be avoided or managed in a variety of ways to limit livestock losses.
Presentation by Silvia Rondon on Insect Ecology. Topics covered include types of metamorphosis, effects of temperature on development, how temperature affects SWD and potato tuberworm.