Q: I'd like to mix more sand into my soil to help break up the clay. If I collect sand from an ocean beach, should I be worried about too much salt in the sand and it impacting my soil? If I were to use the beach...
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.
Oregon ash thrives in many areas of western Oregon, from floodplains to foothills. But this key tree is threatened by the spread of an invasive beetle known as the emerald ash borer, which kills ash. This ...
Woody knotweeds are listed as noxious weeds throughout most of the United States. This publication briefly describes the characteristics and biology of four species of woody knotweeds and summarizes management and ...
Robert Emanuel, Andy Hulting, Rebecca Koepke-Hill |
Jun 2011 |
Extension Catalog publicationPeer reviewed (Orange level)