This publication describes factors to consider when deciding to plant a hazelnut orchard and includes a table of native productivity ratings for soil series types in the Willamette Valley.
In most years, vineyards in Oregon start the season with a full soil water profile. As the season progresses, the soil dries out. Here's how to gauge a vineyard's water needs and methods for meeting them.
This article describes how to determine vineyard nutrient needs through grapevine tissue and soil sampling. It also provides tissue testing guidelines.
What should you do if you find an ant or termite infestation? First, don't panic. Chances are the damage has been there awhile and a few more months isn't going to make any difference.