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)
Fruit cracking in sweet cherries can have a severe economic impact in the Pacific Northwest, even with new optical sorters. This publication helps growers understand the causes of cracking and describes cultural practices that can minimize cracking.
Bacterial canker is the number one killer of young sweet cherry trees in Oregon. This publication covers cause and symptoms, disease cycle, and disease management. Click the "view it now" button to view or ...
Robert A. Spotts, Jeff L. Olsen, Lynn Long, Jay W. Pscheidt |
May 2010 |
Extension Catalog publicationPeer reviewed (Orange level)
This plan lists major pests, current management practices, critical needs, and efficacy ratings of pest-management tools in sweet cherry production. Practices are organized by growth stage, making it easier to plan year-round management practices.
Pacific Northwest blueberry growers must identify and control a number of bacterial and fungal diseases in order to ensure the highest yields. Fortunately, only a few of the diseases that occur on highbush blueberry in this region cause significant losses when left unchecked.
Jay W. Pscheidt, Jerry Weiland |
Mar 2015 |
Article
Because of our typically wet springs in western Oregon, the average hay crop usually ends up being of low quality. However, when forage in the field is young and tender it is of high quality. As the forage matures, it ...
When producing cherries on productive rootstocks, orchardists must focus on reducing crop load and increasing vigor. This publication discusses how to use thinning cuts, stub cuts, and heading cuts to achieve these objectives. Includes step-by-step illustrated instructions.
Poison oak plants contain a chemical that causes a severe rash. Learn how to spot a plant, safely remove, and clean your clothes, gear and skin afterward to prevent a rash.
Silage-making has been used to reduce the concentrations of toxins in a variety of crops. But in the case of poison hemlock, the opposite is true — making silage out of it actually increases one of its toxic alkaloids.
Tansy ragwort, an invasive weed that can harm certain types of livestock, is making a comeback in western Oregon. Find out how to control it and protect your animals.
Shelby Filley, Andy Hulting, Gene Pirelli, Eric Coombs |
Aug 2011 |
Article