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Showing 1 - 10 of 39 results.

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

Soil Fertility in Organic Systems: A Guide for Gardeners and Small Acreage Farmers

This publication discusses the many types of fertilizers and soil amendments available for organic plant production. Fertilizer formulations, nutrient availability, and application practices for common organic products are also explained. ...

Jul 2013 | OSU Extension Catalog

Evaluating Soil Nutrients and pH by Depth in Situations of Limited or No Tillage in Western Oregon

Many nutrients and lime are not mobile in the soil. When applied to the soil surface without tillage, these materials remain in the top 2 inches, especially in production systems that lack tillage. If a soil sample is taken...

Dan Sullivan, Gene Pirelli, Nicole Anderson | Oct 2010 | OSU Extension Catalog

Conservation Tillage in a Winter Wheat - Fallow System, Ron Jirava

Ron Jirava’s approach to conservation tillage helps his farm to remain economically viable. Learn more in this farmer-to-farmer case study.

Oct 2018 | OSU Extension Catalog

Coffee grounds and soil trial

Popular gardening advice touts the benefits of coffee grounds for acid loving plants, as a slug repellant and soul amendment. Little research based information is available to back up many of these claims. From November 2008 to...

Jun 2009 | Article

Strip-tillage for Onions and Sweet Corn, Lorin Grigg (Farmer-to-Farmer Case Study Series)

Lorin Grigg grows onions and sweet corn under sprinkler irrigation in Quincy, Washington. In this publication, Grigg discusses his strategy for cover cropping to protect seedlings from windblown sand and reduce wind erosion.

Jun 2018 | OSU Extension Catalog

Nutrient Management for Sustainable Vegetable Cropping Systems in Western Oregon

This publication reflects over 30 years of vegetable production research conducted in the Willamette Valley. It is divided into three main sections: sustainable soil health; soil testing and nutrient management; and nitrogen ...

Dan Sullivan, Ed Peachey, Aaron Heinrich, Linda Brewer | May 2017 | OSU Extension Catalog

Wait for soil to warm up to plant cukes

Wait until your soil warms up about 70 degrees to plant cucumbers.

Jun 6, 2008 | News Story

Tired of bolting spinach? Plant while soil is cool.

Plant spinach when soil is cool, then other heat-tolerant greens in the summer.

Apr 4, 2008 | News Story

Tillage Method and Sowing Rate Relations for Dryland Spring Wheat, Barley, and Oat

Some farmers in the Inland Pacific Northwest have reported lower grain yield of spring cereals with no-till (NT) compared to conservation tillage (CT). A 4-year field study was conducted in a 12-inch annual precipitation zone to determine tillage method and sowing rate effects on seed-zone water, seed-zone temperature, plant stand, grain yield, grain yield components, and straw production for three spring-sown cereal species.

William Schillinger, Donald Wellsandt, Harry Schafer, Steve Schofstoll, Robert Papendick | Nov 2005 | Publication