The jumping worm, an invasive species new to Oregon, harms the soil by reducing it to granules, making it more porous and less able to retain water. Here's how to identify jumping worms and help stop their spread.
This publication outlines the role of forest organic debris in inland Northwest forests. Recommends how to maintain forest soil productivity and improve wildlife habitat while reducing wildfire and insect-pest hazards. ...
Chris C. Schnepf, Russell T. Graham, Sandy Kegley, Theresa B. Jain |
Mar 2009 |
Extension Catalog publicationPeer reviewed (Orange level)
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.