Learn about the environmental factors that affect plant growth: light, temperature, water, humidity and nutrition. Either directly or indirectly, most plant problems are caused by environmental stress.
Blueberries grow well in the Pacific Northwest. To get the most out of your bushes, it helps to understand the form and function of each part of the plant.
Poisonous plants are a major cause of economic loss to the livestock industry. Two poisonous plants common to Oregon are poison hemlock and Western water hemlock. Ingestion of either by humans or livestock typically results in death.
Plant hormones and growth regulators are chemicals that affect flowering, aging, root growth, distortion and killing of organs, prevention or promotion of stem elongation, color enhancement of fruit, prevention of leafing and/or leaf fall, and many other conditions.
Sagebrush ecosystems in the northern Great Basin are threatened by encroaching juniper and invasive annual grasses. This guide presents a simplified framework to help land managers assess and monitor these threats at...
Dustin Johnson, Matt Cahill, Chad Boyd, Vanessa Schroeder, Lee Foster, Angela Sitz, Jay Kerby, Tony J. Svejcar, Jackie Cupples |
Jun 2023 |
Extension Catalog publicationPeer reviewed (Orange level)
Healthy sagebrush rangelands provide a bounty of foods for sage-grouse. Sage-grouse browse for different foods during different times of year and periods of their lives. Not all rangelands provide equal quality forage for sage-grouse.
A collection of articles for growing vegetables in Central Oregon. Include general information, recommendations, soil temperatures, rhubarb, potatoes, cucumbers, beets, carrots, radishes, onions, tomatoes and tomatillos.
Oregon State University Crop and Soil Science Masters student Pahoua Yang focuses her research project on Colorado potato beetle, Leptinotarsa decemlineata. Her project is to determine baseline information for several commercial ...