This fact sheet describes recent discrepancies between SMP and Sikora buffer pH lime requirement tests for western Oregon soils and provides recommendations for what to do. Many soil testing labs in the U.S. are switching from ...
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.
This article briefly discusses the most prevalent madrone disease problems, then offers a broader perspective on the health of this southern Oregon native.
Poisonous plants are a major cause of economic loss to the livestock industry. Two poisonous plants common to Oregon are poison hemlock and Western water hemlock. Ingestion of either by humans or livestock typically results in death.
There are probably few plants that are more strongly identified with this area or are held in greater affection than the madrone tree.
Poison hemlock is one of the most poisonous of plants. Silage making has been used to reduce the concentrations of toxins in a variety of crops. Poison hemlock alkaloids are found in different concentrations depending on ...
In the last few years there is an increasing interest in high density systems, especially in the Pacific Northwest
The U.S. Pacific Northwest is the most important sweet cherry production region in North America, however, as recently as the early 1990's fresh cherry production consisted primarily of one variety, 'Bing'. In recent years there has been increased interest in new varieties.
The United States is one of the leading producers of sweet cherries in the world. In the U.S. the majority of cherries are produced in the Pacific Coast states of Washington, Oregon and California with the greatest volume of production in the north.