An inventory of all the different kinds of soils in many Oregon counties is available. These inventories were made starting in the 1970’s by soil scientists of the U.S. Department of Agriculture Soil Conservation Service in ...
Brad Withrow-Robinson, Debra Zaveson |
Dec 2007 |
Article
Several types of caneberries are produced commercially in Oregon, including summer-bearing and primo cane fruiting red raspberries, black raspberries (blackcaps), and blackberries. This publication addresses nutrient assessment...
John M. Hart, Bernadine Strik, Hannah Rempel |
Aug 2013 |
Extension Catalog publicationPeer reviewed (Orange level)
Photo: Picture By H. Gelderman, Kansas State University (Cropped from original)
Potassium is an essential nutrient in corn production. If deficient, growth is stunted and yields are reduced. Potassium deficiency will manifest differently as the season progresses. Here's what to look for.
Nitrogen, phosphorus and potassium aren't just an alphabet soup of chemicals. They are essential plant nutrients that, when used correctly, help to grow a healthy garden. Learn what fertilizers to apply when in this handy guide.
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
Excessive summer irrigation of oak and madrone trees may promote fungal diseases such as the oak root fungus (aka armillaria root disease) and crown rot.
Q: How to treat powdery mildew on squash and cucumber plants? Most of our squash plants have powdery mildew. Some of the leaves have died and crumbled. We had same problem last year. I regret not removing all the infected ...