By tapping nutrients from bedrock, red alder trees play a key role in healthy forest ecosystems.
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.
A guide for how to collect and where to get a sample analyzed for plant diseases.
Forest owners in Lane County can potentially use their properties to help mitigate the problems caused by an excess of carbon in the atmosphere.
A summary of the main trunk diseases causing issues in Oregon and management methods.
Thinning is the term foresters apply to removal of some trees from a stand to give others more room (and resources) to grow. It is a tool for improving timber value, making sites more productive, and — perhaps most ...