Search OSU Extension

Showing 1 - 10 of 31 results.

Soil: What it is and how it works

Soil basics for gardeners

James Cassidy | Jan 2019 | Presentation

Plain Talk about Soils and Soil Chemistry

Presentation on soil chemistry and related soil topics.

Linda Brewer | Jan 2019 | Presentation

Soil Texture By Feel Flow Chart

Determine type of soil by feel.

Jul 2017 | Educational Document

Mechanical Analysis of Soils “The Jar Test”

Mechanical Analysis of Soils: “The Jar Test”

Jun 2018 | Educational Document

Testing Soil pH

Describing how to test soil in your own home garden.

May 2018 | Educational Document

Soil Temperature Condition for Vegetable Seed Germination

Results of an experiment to see correlations between various vegetable seeds number of days to sprout appearance and the temperature at which they are kept.

Apr 2013 | Publication

Coffee grounds and soil trial

Popular gardening advice touts the benefits of coffee grounds for acid loving plants, as a slug repellant and soil amendment. Little research based information is available to back up many of these claims. From November 2008 to September 2009 OSU Extension Service Master Gardener Compost Specialists in Lane County conducted an observational trial to see what the effect coffee grounds had on soil pH and nitrogen content when incorporated into soil.

Jun 2009 | Educational Document

Growing in Urban Soils - Nelson

Citations and outline of a study of urban vegetable gardens and their soils.

Mar 2019 | Educational Document

Alfalfa soil fertility and fertilization requirements

A productive alfalfa crop removes significant quantities of macronutrients and small amounts of micronutrients from the soil (Table 1). A complete fertilizer program is essential to ensure a highly productive, long-lived stand.

David Hannaway, Mylen Bohle, Daniel Miles, Yitian Lin, Brianna Randow | Sep 2019 | Publication

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