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)
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 |
Mar 2023 |
Extension Catalog publicationPeer reviewed (Orange level)
Four Extension faculty and one research assistant gave presentations at the Farwest Show, which annually draws an estimated 5,000 attendees to the Oregon Convention Center and nursery tours.
Discusses mulching woody ornamentals (trees and shrubs) with organic materials. Covers the reasons for mulching, how to apply mulch, and how to maintain its beneficial effects over time. General principles described ...
Leader guide for 4-H knitting project. The knitting project offers members opportunities to exercise creativity, develop decisionmaking abilities, and learn skills that can give pleasure throughout a lifetime.
Presentation by Silvia Rondon on Insect Ecology. Topics covered include types of metamorphosis, effects of temperature on development, how temperature affects SWD and potato tuberworm.