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)
When applying pesticides it is important to avoid water contamination and pesticide drift as much as possible. This checklist can help. Three separate checklists (before, during and after) make it easier to remember...
When applying pesticides it is important to avoid water contamination and pesticide drift as much as possible. This checklist can help. Three separate checklists (before, during and after) make it easier to remember...
Residues of lead arsenate, DDT, and other persistent pesticides may be in soil where orchards once grew and homes now stand. This report discusses how to investigate former pesticide use and current pesticide ...
Silage corn is an excellent feed for dairy cattle because of its high dry-matter yield, energy content and palatability. This guide provides nutrient and lime recommendations for silage corn established after ...
Dan M. Sullivan, Troy Downing, Linda Brewer, John M. Hart |
Mar 2023 |
Extension Catalog publicationPeer reviewed (Orange level)
Reviews Russian thistle biology as it relates to management, including seed dormancy and longevity in soil, seed distribution, seed germination and emergence, plant growth after establishment, crop competition, and ...
Judit Barroso, Drew J. Lyon, Timothy S. Prather |
Aug 2019 |
Extension Catalog publicationPeer reviewed (Orange level)
Photo by Wiki Farazi, CC0 1.0 (Cropped from original)
Mothballs, one of the most common methods to control clothes moths, need to be recognized as a pesticide that can be harmful to humans or animals when misused.