Revised January 1986. 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
Published July 1988. 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
During the past 50 years, plantation Christmas tree production has grown in acreage and sophistication. Nitrogen applications with a tuna can have been replaced by precise, mechanized application of a wide array of nutrients and lime.
Current nutrient management programs must focus on three concepts for success.
This guide provides...
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
Published June 1981. 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
Published October 1992. 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
Plants need an adequate level of nutrients to thrive. This publication will help you ensure that your plants receive ample
levels of all nutrients for optimum yield, quality, and aesthetic value.
Poor quality water or an inadequate supply of water can take the pleasure from country living. Problems with quantity or quality of domestic water occur all over Oregon.
Calf death at or shortly after calving results in losses of over 3.5 million calves annually in the United States. About 45% of these losses are caused by dystocia (delayed and/or difficult parturition). The two principal factors involved in dystocia are size of calf and age of cow.
Published August 1975. 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
Published November 1971. 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
Many factors can cause distorted growth in grapevines. One cause of distorted growth is a disorder known as Short Shoot Syndrome (SSS), which is associated with mite feeding damage. However, similar abnormal growth symptoms can be caused by spring frost damage, herbicide damage, vine imbalance (overcropping of vines), nutrient deficiency...
The OSU Extension Soil Sensitivity Database lists
nonirrigated and irrigated soil sensitivity ratings for every
map unit of every soil survey in Oregon. These ratings
were developed for the Oregon Water Quality Decision
Aid, a tool for evaluating groundwater vulnerability to
pesticide contamination.
Declared out of print March 2010. 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
Published May 2005. Reviewed March 2016. Please look for up-to-date information in the OSU Extension Catalog: https://catalog.extension.oregonstate.edu
Hazelnuts are produced in many countries, including the United States. Hazelnuts are grown on approximately 30,000 acres in the Willamette Valley, accounting for about 99 percent of U.S. production and 5 percent of world production. Turkey produces more than 70 percent of total world hazelnut production. Hazelnut species that occur...
Desde hace muchos años, los jardineros han usado
el compost para mejorar la tierra. Hoy en día también
es una manera importante de reducir la cantidad de
basura que se quema o se añade a los vertederos
públicos. Los desperdicios de jardín y cocina
constituyen hasta el 20 por ciento...
Learn the most effective techniques for controlling insects, weeds and disease on wine grapes in Oregon. This comprehensive publication for growers covers strategies for controlling powdery mildew, botrytis bunch rot and spider mites, in addition to resources for organic growers. Easy-to-read tables list pesticide application rates and timing.
This guide is developed for use by managers of commercial vineyards in Oregon. It provides recommendations for chemicals, formulations and usage rates of products that are intended to prevent, manage and control vineyard diseases, insects, mites and weeds. When considering a pesticide, evaluate its efficacy and its impact on beneficial...