Christmas Tree Nutrient Management Guide for Western Oregon and Washington

Christmas tree
This guide is designed to help Christmas tree growers learn to assess a plantation’s nutritional needs based on soil and foliar analyses and rotational timing. It will help you design strategies for effective nutrient applications and produce high-quality trees with minimal negative environmental impact.

Weed Control in Nursery Field Production

Weeds

Information and strategies for field growers on how to reduce weeds in their crops. Topics discussed include, field preparation, sanitation, cultural practices and proper herbicide selection and use.

Acidifying Soil for Crop Production West of The Cascade Mountains (Western Oregon and Washington)

Soil/media
Guide for growers west of the Cascade mountains growing in native soils. Topics include optimum pH levels for commonly produced crops, understanding pH and how to measure it correctly, problems and symptoms of too high and too low soil pH, and solutions for pH extremes.

Phytophthora ramorum:A Guide for Oregon Nurseries

Disease

Very informative and useful publication for nursery management and workers. Discusses the history of Phytophthora ramorum in Oregon and its biology, hosts and symptoms. In depth information on the management and prevention of the pathogen.

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