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.
Reishi mushrooms are prized for stress-fighting properties. This in-demand crop grows naturally in Oregon forests, and you can grow them yourself with a fruiting block or inoculated logs. Learn how!
This article briefly discusses the most prevalent madrone disease problems, then offers a broader perspective on the health of this southern Oregon native.
This is a guide that can be used by wine grape growers to interpret their vine tissue nutrient analysis results to determine nutrient sufficiency, deficiency or excess.
Winegrape production in the Pacific Northwest has expanded into areas where low winter temperatures periodically cause cane damage or death. Canes can be protected from freeze damage by burying them or covering them...
Clive Kaiser, Patricia A. Skinkis, Mercy Olmstead |
Mar 2008 |
Extension Catalog publicationPeer reviewed (Orange level)