Drought is a major concern for producers of food and forage crops. According to the U.S. Drought monitor, Central and Eastern Oregon in particular, are in severe drought. In the early 1990's, a trial was conducted to determine the yield per inch of water applied to 5 cereal species: barley,...
This document summarizes a collaborative effort of the Wallowa Resources, Northeast Oregon Economic Development District and Oregon State University faculty members jointly affiliated with Extension Service and the Rural Studies Program to develop indicators of Wallowa County community vitality in a way that reflects the goals and values of the...
Provides distribution, host-plant, life history, habits, signs of damage, and identification information for the cereal leaf beetle, first found in Oregon in 1999. Discusses methods of chemical and biological control. Includes information on California's quarantine on agricultural products from Oregon and four color photographs of the cereal leaf beetle and...
The apple maggot (AM), Rhagoletis pomonella, is a threat to the Northwest apple and pear industry. The maggot has been reported on apples, crabapples, quince, pears, cherries, plums, apricots, the fruits of native and domesticated hawthorn, Pyracantha berries, and wild rose hips. To date, apple maggot populations in Oregon seem...
This publication focusses on how riparian areas can be improved to enhance water quality and salmon habitat.
Reprinted April 2000. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
In 1988 the Tualatin River was designated 'water quality limited' by the Oregon Department of Environmental Quality. Three sources of pollution: urban point source, forestry non-point source and agricultural non-point source pollution were considered to contribute unacceptable levels of nutrients (phosphates and ammonium nitrates) to the river. Since a significant...
The purpose of this report is to document changes
resulting from long-term application of biosolids to
grazed dryland pasture. The report contains two chapters:
• Chapter 1: Biosolids Increase Grass Yield and Quality
in Dryland Pasture
• Chapter 2: Biosolids Increase Soil Fertility in Dryland
Pasture
Data summarized here was...
Most insects are not pests. Only those that feed on desirable plants or transmit disease cause problems for gardeners. Many insects are very useful. Some are pollinators of fruits, flowers, and vegetables, while others help control insect pests.
There are three types of beneficial insects: predators, pollinators, and parasitoids.
Published October 2001. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog