Explains the relationship between high soil pH and nutrient deficiencies in blueberries, rhododendrons, azaleas, and other ornamental crops. Color photos illustrate symptoms of pH-induced nutrient deficiency. Presents ...
Donald A. Horneck, John M. Hart, Robert G. Stevens, Steven Petrie, James Altland |
Feb 2004 |
Extension Catalog publicationPeer reviewed (Orange level)
Laura Taylor works for the West Multnomah Soil and Water Conservation District. In this episode, find what happens when a local government wants to do something to help pollinator health. As a conservation technician and an ...
Sponsored by the Oregon Master Gardener Association, which supports the Oregon State University Extension Master Gardener program, the two-day conference drew 150 to the CH2M Hill Alumni Center on the Oregon State campus in Corvallis.
Drought has become a fact of life for farmers throughout the West. For hemp growers, careful planning for where, when and what to plant can result in a crop that will thrive despite dry conditions.
Gordon B. Jones |
Jul 2022 |
Article
Photo: Linda Tucker Serniak, PhD candidate at Oregon State University and Joanne Schneidermann Dole, Master Gardener (Cropped from original)
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.
The plants in the field trials were chosen by an advisory group of nursery growers and landscape designers and were evaluated on growth, visual appeal, timing of flowering, density of flowers, physiology and heat tolerance.
Kym Pokorny |
Nov 1, 2023 |
News story
Credit Wyatt Williams, Oregon Department of Forestry (Cropped from original)
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.