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 |
Jul 2021 |
Extension Catalog publicationPeer reviewed (Orange level)
In the 1970s, soil scientists started gathering information about Oregon soils by digging hundreds of holes, observing the landscapes and recording information. Now, that wealth of information is available online.
A soil nitrate test measures the concentration of nitrate in the soil at a specific moment in time, including nitrate originating from organic inputs, fertilizer, and soil organic matter. This publication describes ...
Dan M. Sullivan, Nick Andrews, Aaron Heinrich, Ed Peachey, Linda Brewer |
Aug 2023 |
Extension Catalog publicationPeer reviewed (Orange level)
This publication describes the use of postharvest soil nitrate testing as a tool for assessment of nitrogen (N) management in manured cropping systems west of the Cascade Mountains in Oregon, Washington, and south coastal British Columbia.
Dan M. Sullivan, Craig G. Cogger, Andy I. Bary, Shabtai Bittman, Linda Brewer |
Jun 2023 |
Extension Catalog publicationPeer reviewed (Orange level)
This field guide describes in detail the steps woodland landowners would take to build a large pond on their properties. The guide describes the planning, permitting and construction of the pond, and includes ...
This publication recommends specific ways to manage sand-based fields, which will require more frequent fertilization, irrigation, and cultivation for proper maintenance than native soil fields.
Alec Kowalewski, Gwen K. Stahnke, Tom Cook, Roy Goss |
Apr 2024 |
Extension Catalog publicationPeer reviewed (Orange level)
Photo: Oregon State University (Cropped from original)
From the myth of collapsing root balls to the myth of compost tea - learn the facts about a range of tips you may have heard through the years about healthy soil, pretty mulch, and more.
Choose the right containers, soil and plants to keep your flowerpots blooming all season long. When choosing plants for container gardening, go for "thrillers," "fillers" and "spillers."
Sand-based, natural turfgrass and synthetic surfaces are the best options for athletic fields in the rainy Pacific Northwest. Compare the benefits and learn the construction component requirements to withstand the range of climatic conditions.
Alec Kowalewski, Gwen K. Stahnke, Tom Cook, Roy Goss |
Apr 2024 |
Extension Catalog publicationPeer reviewed (Orange level)