This publication describes the use of postharvest soil nitrate testing as a tool for assessment of nitrogen (N) management in manured cropping systems west of the Cascade Mountains in Oregon, Washington, and south coastal British Columbia.
Dan M. Sullivan, Craig G. Cogger, Andy I. Bary, Shabtai Bittman, Linda Brewer |
Mar 2023 |
Extension Catalog publicationPeer reviewed (Orange level)
There are lots of gardening tasks to complete in April, including fertilizing your lawn and preparing soil and raised garden beds. Learn more in this guide.
This article describes how to determine vineyard nutrient needs through grapevine tissue and soil sampling. It also provides tissue testing guidelines.
For Oregon gardeners, May is a busy month. It's time to check soil temperatures, establish irrigation systems, and to start planting flowers and vegetables. Learn more in this guide.
Apr 2021 |
Article
Credit Alicia Christiansen (Cropped from original)
Invasive annual grasses are a threat to the Great Basin desert ecosystem. They compromise habitat diversity for important wildlife species such as the greater sage-grouse. They shorten the grazing season for ...
Fara Brummer, Peter Schreder, Grace Haskins, Jason Jaeger |
Feb 2018 |
Extension Catalog publicationPeer reviewed (Orange level)
Billbugs are pests you may see in turf grasses or in grass seed production. Learn the characteristics of billbug feeding damage, their impact on grass seed crops and effective management strategies.
Navneet Kaur, Nicole Anderson, Darrin Walenta, Brian Donovan, Alison Willette, John Spring, Claira Goracke, Jeremiah Dung |
May 2024 |
Extension Catalog publicationPeer reviewed (Orange level)
Covers the history of yellow starthistle (Centaurea solstitialis L.) invasion of the Pacific Northwest and describes current infestation levels in Oregon and Washington. Provides basic information regarding yellow ...
Larry L. Larson, Roger Sheley, Michael McInnis, Gary Kiemnec |
Jan 2008 |
Extension Catalog publicationPeer reviewed (Orange level)