The June 2021 heat wave caused significant damage to trees in Oregon. Learn some key findings on causes, types of damage, physiological "thermotolerance" of trees, and possible forest management implications.
Damage assessments after the historic heat wave of June 2021 in Oregon provided lessons for the state's Christmas tree growers. Those assessments showed how damage varied by type of tree and location of farms.
An overview of how a variety of wild and managed bees and their pollination activities are affected by pesticide application. Provides guidelines for how beekeepers, growers, and pesticide applicators can work ...
Louisa Hooven, Ramesh Sagili, Erik Johansen |
Mar 2016 |
Extension Catalog publicationPeer reviewed (Orange level)
The small stonecrop mason bee (Hoplitis emarginata) had never been found in Oregon until 2019 when it was discovered by Master Melittologist Judi Maxwell in the Siskiyou Mountains in southern Oregon. Only one person had seen it...
Lincoln Best, Andony Melathopoulos |
Nov 2021 |
Article
Mature cattle grazing in pastures with rapidly growing grass are sometimes afflicted with a disease called grass tetany. The cause is a lack of magnesium in the grass. Here's what to look for and how to treat it.
Horseradish is well known for its pungency and the zip it adds to food. It can be grown at home but requires cold temperatures in the fall and winter. Here's a guide to growing horseradish and how to preserve it.
Extreme summer heat can pose a danger to bees. Although bees have ways to keep cool, many gardeners put out shallow trays of water and pebbles to help them. Does that help? Here's what the science says.
David Phipps is considered one of the Northwest’s leaders in golf course environmental stewardship and innovation. While working as the superintendent at Stone Creek Golf, he received the GCSAA President’s Award for Environmental ...
Oregon’s bumble bees are all hibernating. Mated bumble bee queen are known to winter in loose soil or leaf litter, but we don’t know much more beyond that. This week we talk with Rich Hatfield about a new community ...
How can we ask not what greenspaces can do for us but what greenspaces can do for the environment? Portland-based Pro Time Lawn Seed was one of the first businesses to tackle this question, with the founder of the company...