This article describes how to determine vineyard nutrient needs through grapevine tissue and soil sampling. It also provides tissue testing guidelines.
Currently, the emerald ash borer has been found in trees only in Washington County, where a quarantine prohibits moving ash (Fraxinus) or fringe tree (Chionanthus) wood in or out of the area.
Presenter: Heather Medina Sauceda, Assistant Conservationist for Field Operations in Southwestern Oregon, USDA Natural Resources Conservation Service Interviewer: Monica, DIVE4Ag Teens as Teachers