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...
Land-grant soil scientists in the Pacific Northwest have written this publication to share information and to relate in-depth the wheat and N management issues related to grain protein enhancement. The focus is on ...
Bradford D. Brown, Mal Westcott, Neil W. Christensen, Bill Pan, Jeff Stark |
Mar 2005 |
Extension Catalog publicationPeer reviewed (Orange level)
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 ...
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)