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)
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.
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.
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.
Cool-season perennial and annual forages often struggle during the heat of summer. Fortunately, there are some strategies to consider — including planting drought-tolerant forages, warm-season grasses and annual legumes.
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.