This article describes how to determine vineyard nutrient needs through grapevine tissue and soil sampling. It also provides tissue testing guidelines.
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 is the second unit of the 4-H Wood Science series. If you have completed Unit 1, you are probably asking: "Now what?" Developed by National 4-H Council and reprinted for use in Oregon. Click the "view ...
This is the third unit of the 4-H Wood Science series. This unit introduces new concepts of wood science and provides activities and experiments that can help you better understand these concepts. Developed by ...
Leader guide for the 4-H wood science project. Developed by National 4-H Council and reprinted for use in Oregon. Click the "view it now" button to view or download the entire publication. Or use the supplemental file links below to view or download individual sections.
Growing and drying your own herbs ensures that you have a constant fresh supply to use in the kitchen. Dried herbs can keep for up to a year if kept in a cool, dark and dry place. Here's how to dry herbs at home.
Presentation by Silvia Rondon on Insect Ecology. Topics covered include types of metamorphosis, effects of temperature on development, how temperature affects SWD and potato tuberworm.