Soil organic matter is important to good plant performance. Adding organic matter can improve any soil, no matter how compacted. Learn how to check your soil for organic matter and improve its quality with amendments.
Neil Bell, Dan M. Sullivan, Linda Brewer, John M. Hart |
May 2003 |
Extension Catalog publicationPeer reviewed (Orange level)
Photo by Flickr:Doug Beckers. (Cropped from original)
What do we know about heavy metals in soil? What do we know about lead exposure through soil and garden plants? What do we know about cadmium and arsenic in soils? What can I do if I’m at risk for heavy metals in my garden soil?
Jul 2016 |
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.
Gardeners in the Willamette Valley can successfully grow succulent plants by creating conditions that allow them to thrive. That includes well-drained soil and proper watering. Here's a guide.
Fertilizers come in many different forms, from naturally occurring in the soil to commercial or organic products, liquid and dry, and in many different formulations. Here's how to choose what your plants need.
Sally Reill |
Jan 2019 |
Article
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.