Many nutrients and lime are not mobile in the soil. When applied to the soil surface without tillage, these materials remain in the top 2 inches, especially in production systems that lack tillage. If a soil ...
Nicole Anderson, John M. Hart, Donald A. Horneck, Dan M. Sullivan, Neil W. Christensen, Gene Pirelli |
Oct 2010 |
Extension Catalog publicationPeer reviewed (Orange level)
Liming is a new practice for the inland Pacific Northwest, necessitated by soil acidification caused by nitrogen fertilization. This publication provides guidance on how to evaluate cropping systems for lime need and how to determine lime application rate.
Dan M. Sullivan, Donald A. Horneck, Don Wysocki |
May 2013 |
Extension Catalog publicationPeer reviewed (Orange level)
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.
When moss grows in pastures, it's usually a sign of a deeper problem. Permanently getting rid of moss requires addressing the underlying problem, whether that's the condition of the soil or too much shade.
A healthy pasture is a vital resource for a livestock operation, and it requires year-round attention. One of the most critical periods is the fall when decisions dictate how much forage will be produced for the season.
Excessive summer irrigation of oak and madrone trees may promote fungal diseases such as the oak root fungus (aka armillaria root disease) and crown rot.