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.
The first Tree School Online session debuted with 300 registered participants. Since then, the live classes have rolled out with anywhere from 50 to 100 participants.
This publication includes tables that summarize characteristics of the main hazelnut varieties produced in the United States, lists varieties' susceptibility to eastern filbert blight, and shows varieties' compatibility with each other for pollination.
Jeff L. Olsen, Shawn Mehlenbacher, Rebecca L. McCluskey, David Smith |
Nov 2013 |
Extension Catalog publicationPeer reviewed (Orange level)
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.
This publication summarizes the learner-centered education methods and community outcomes of three Extension partnerships. These projects increased the use of integrated pest management and pesticide risk reduction practices...
Mary Halbleib, Cassie Bouska, Gordon B. Jones, Darrin Walenta |
Jul 2021 |
Extension Catalog publicationPeer reviewed (Orange level)
For farmers and livestock producers on the Oregon Coast, there are many resources available to battle weeds common to the area. Those resources can help identify weeds and offer strategies for controlling them.
A how-to guide for conducting integrated pest management strategic planning with agricultural industries or other stakeholders. This process produces a living document that describes the major pests, challenges and critical needs of an industry.
Cereal cyst nematodes reduce yields of wheat, barley, and oats in the Pacific Northwest states of Idaho, Oregon, and Washington. It is estimated that these pests reduce wheat profitability in these states by at ...