This article describes how to determine vineyard nutrient needs through grapevine tissue and soil sampling. It also provides tissue testing guidelines.
Riparian areas are rich ecological environments that support a diversity of life and contribute to the overall health of our communities. But they are delicate and complex, and face threats to their existence. Private landowners ...
Forests produce economic benefits such as timber, forest products and jobs. They also provide wildlife habitat, recreation, carbon storage and clean water. In fact, most of Oregon’s drinking water is sourced from ...
Bare-root native plants are an economical way for gardeners to contribute to the health of ecosystems and watersheds. While they are affordable because of their small size, they also require careful handling.
Pacific Northwest blueberry growers must identify and control a number of bacterial and fungal diseases in order to ensure the highest yields. Fortunately, only a few of the diseases that occur on highbush blueberry in this region cause significant losses when left unchecked.
Jay W. Pscheidt, Jerry Weiland |
Mar 2015 |
Article
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.
Vegetative plant parts include roots, stems, shoot buds and leaves. Each of these structures comes in a wide variety of types, varying from species to species. Many vegetative plant parts are also used in propagation. This ...
Riparian zones — those transition areas between bodies of water and land — are rich ecosystems that benefit man and nature. They make up a small percentage of the landscape but their importance far exceeds their geographic...