Phosphorus is an important plant nutrient for growing dairy forages. Unfortunately, many dairies have more phosphorus excreted and stored in manure than they can use during a crop year. Soils have the ability to store moderate ...
Most “sick tree” problems can be traced back to underlying stresses that have reduced the tree's vigor, making it more vulnerable to diseases or insect pests.
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.
Japanese beetle (Popillia japonica) is an insect exotic to the US, which has previously established throughout parts of the East Coast, Midwest and South. Although small numbers of beetles have been trapped at the Portland ...
This article briefly discusses the most prevalent madrone disease problems, then offers a broader perspective on the health of this southern Oregon native.
A guide for how to collect and where to get a sample analyzed for plant diseases.
There are probably few plants that are more strongly identified with this area or are held in greater affection than the madrone tree.
A summary of the main trunk diseases causing issues in Oregon and management methods.
Forage quality of common pasture weeds was determined through laboratory testing to compare feed value of weeds to desirable forage species and nutrient requirements for grazing livestock.