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Post-Harvest Soil Nitrate Testing for Manured Cropping Systems West of the Cascades

Describes the use of postharvest soil nitrate testing as a tool for assessing nitrogen management in manured cropping systems west of the Cascades. The first section gives general information on the test and is designed for use...

Dan Sullivan | May 2003 | OSU Extension Catalog

Soil Nitrate Testing for Willamette Valley Vegetable Production

A soil nitrate test measures the concentration of nitrate in the soil at a specific moment in time, including nitrate originating from organic inputs, fertilizer, and soil organic matter. This publication describes how to use ...

Dan Sullivan, Ed Peachey, Aaron Heinrich, Linda Brewer, Nick Andrews | Jan 2019 | OSU Extension Catalog

Monitoring Soil Nutrients Using a Management Unit Approach

Focuses on how to design a soil nutrient monitoring strategy using management units or zones for soil testing and nutrient application. This approach is designed to provide better information to make nutrient management decisions ...

Dan Sullivan | Oct 2003 | OSU Extension Catalog

Using the Nitrogen Mineralization Soil Test to Predict Spring Fertilizer N Rate for Soft White Winter Wheat Grown in Western Oregon

Soft white winter wheat is grown in western Oregon and requires a spring application of nitrogen (N) fertilizer for optimum production. Determining the amount of N to apply has been a challenge for growers. Wheat obtains N ...

Nicole Anderson | Nov 2010 | OSU Extension Catalog

How to make your own potting soil

Soil straight from your backyard just won’t do the job.

Feb 17, 2012 | News Story

Is charcoal a good soil amendment?

Q: Do you have published, current, projected , research in the effects of charcoal amendment to agricultural soils/forest soils?

A: View answer | View all featured questions

Are ashes good for my soil?

Q: Can fireplace ash be used in the garden successfully or is it harmful to the soil?

A: View answer | View all featured questions

Fine Fescue Seed: Western Oregon—West of Cascades Fertilizer Guide

Recommends fertilizer rates for fine fescue seed in western Oregon based on soil test results for nitrogen, phosphorus, potassium, sulfur, micronutrients, lime, calcium, and magnesium.

Tom Silberstein | Aug 2003 | OSU Extension Catalog

Sweet Corn (Western Oregon) Nutrient Management Guide

This is a nutrient management guide for sweet corn growers and agricultural professionals working with sweet corn growers.

Dan Sullivan, Ed Peachey | Oct 2010 | OSU Extension Catalog

Soil Improvement and Cover Crop Resources for Small Farms

Even though different soils have some properties that cannot be changed, such as texture, soil quality can be improved by implementing good management strategies. Soils can be improved for water holding capacity, drainage, structure,...

Apr 2018 | Collection