Search OSU Extension

Showing 1 - 10 of 54 results.

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

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

Benefits of soil testing to guide pasture fertilization

We evaluated the production practices of clientele who use our OSU Extension program information to properly test soil and follow OSU guidelines for fertilizing pastures, and compared that to the standard practices they used prior...

Shelby Filley, Gene Pirelli, Amy Peters | Aug 2010 | Article

Orchardgrass Seed: Western Oregon—West of Cascades Fertilizer Guide

Based on soil test results, recommends amounts of fertilizer and lime needed for orchardgrass seed in western Oregon.

Jan 2000 | OSU Extension Catalog

Spring Grains: Western Oregon—West of Cascades Fertilizer Guide

Based on soil test results, recommends amounts of fertilizer and lime needed for spring grains in western Oregon.

Jan 2000 | OSU Extension Catalog

Crimson Clover, Vetch, Field Peas: Western Oregon—West of Cascades Fertilizer Guide

Based on soil test results, recommends amounts of fertilizer and lime needed for crimson clover, vetch, and field peas in western Oregon.

David Hannaway | Jan 2000 | OSU Extension Catalog