A soil nitrate test measures the concentration of nitrate in the soil at a specific moment in time, including nitrate originating from organic inputs, fertilizer, and soil organic matter. This publication describes ...
Dan M. Sullivan, Nick Andrews, Aaron Heinrich, Ed Peachey, Linda Brewer |
Aug 2023 |
Extension Catalog publicationPeer reviewed (Orange level)
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)
Herbicides applied to pastures and some crops can persist in soil amendments like hay, manure, compost and grass clippings. Make sure your amendments are free of these herbicides before you contaminate your soil.
Russian thistle thrives in the dry climate of eastern Oregon and Washington and if left unchecked develops an extensive root system that competes with wheat for water and nutrients.
Kym Pokorny |
Nov 2, 2021 |
News story
Photo: from Landschoot, 2018 (Cropped from original)
Today, turfgrass is the single largest irrigated crop in the United States and covers three times the land area of any other cultivated crop. An estimated 40.5 million acres of grasses are planted in residential, commercial and...
Addresses amounts, timing, and sources of nitrogen (N) fertilization for producing cranberry beds in selected North American growing areas. Fertilizer practices for new and young beds are not discussed. Topics include ...
Joan Davenport, Carolyn DeMoranville, John M. Hart, Teryl Roper |
Jun 2000 |
Extension Catalog publicationPeer reviewed (Orange level)
Nitrate can contaminate well water, leading to serious health conditions. Learn how to prevent nitrate from getting in your well and how to remove nitrate from your drinking water.
Veronica Irvin, Molly Kile, Chrissy Lucas, Laura Neilson, Lilly Anderson |
Jun 2023 |
Extension Catalog publicationPeer reviewed (Orange level)
Collection of forage resources, mostly for Coastal Oregon regions. Includes studies on fiber digestibility, phosphoric soil, rations, and cost/benefit of growing and buying locally grown forages.
This publication, produced by growers, commodity group representatives, processors, university specialists, and other technical experts from the cranberry industry in Oregon and Washington, outlines major pests, current ...
Katie Murray, Paul Jepson, Cassie Bouska, Kim Patten |
Jul 2018 |
Extension Catalog publicationPeer reviewed (Orange level)