Explains the relationship between high soil pH and nutrient deficiencies in blueberries, rhododendrons, azaleas, and other ornamental crops. Color photos illustrate symptoms of pH-induced nutrient deficiency. Presents ...
Donald A. Horneck, John M. Hart, Robert G. Stevens, Steven Petrie, James Altland |
Feb 2004 |
Extension Catalog publicationPeer reviewed (Orange level)
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."
Amy Jo Detweiler |
Mar 2014 |
Article
Photo: from Landschoot, 2018 (Cropped from original)
Today, turfgrass is the single largest irrigated crop in the United States and covers three times the land area of any other cultivated crop. An estimated 40.5 million acres of grasses are planted in residential, commercial and...
Ground beetles are an integral component of biological control in agricultural fields, but information on the species that are present in Oregon and throughout the United States is surprisingly limited. This guide ...
Inga Reich, Casi Jessie, Andrew Colton, Mike Gormally, Rory Mc Donnell |
Feb 2021 |
Extension Catalog publicationPeer reviewed (Orange level)
Japanese beetle is a destructive insect moving its way west across the U.S. — including to sites in Oregon. Take part in early detection to prevent its spread. Learn to identify and scout for Japanese ...
Heather Stoven, Jessica Rendon, Gail Langellotto, Silvia I. Rondon |
Jun 2021 |
Extension Catalog publicationPeer reviewed (Orange level)
For years, a small wasp has helped control the cereal leaf beetle, a pest of grass and cereal grains. But now beetle numbers are climbing. Here are some options to reduce this pest's impact on crops.
Learn about the life stages of the bronze birch borer and the damage it causes. Homeowners will learn to assess the damage, treat trees and prevent infestation.