Search OSU Extension

Showing 1 - 10 of 18 results.

Improving Garden Soils with Organic Matter

This publication will help you understand the importance of soil organic matter levels to good plant performance. It also contains suggestions for suitable soil amendments. Any soil, no matter how compacted, can be improved by ...

Dan Sullivan, Linda Brewer, Neil Bell | May 2003 | 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

Acidifying Soil in Landscapes and Gardens East of the Cascades

Explains the importance of soil pH to plant growth, shows symptoms of plants growing in soil with high pH, and discusses how to modify soil to help maples, rhododendrons, blueberries, fruit trees, and other acid-loving plants thrive in your garden and landscape.

Sep 2006 | OSU Extension Catalog

Acidifying Soil for Blueberries and Ornamental Plants in the Yard and Garden: West of the Cascade Mountain Range in Oregon and Washington

This publication explains the importance of soil acidity to plant growth and discusses how to modify it to ensure that rhododendrons, blueberries, and other acid-loving plants thrive in your garden.

Neil Bell | Apr 2003 | OSU Extension Catalog

Composting at Winter Green Farm Improves Soil Health and Protects Water Quality

In 1980 Jack Gray and Mary Jo Wade started Winter Green Farm just 20 miles west of Eugene, five years later Wali and Jabrila Via joined them and in 2009 long-time employees Chris Overbaugh and Shannon Shipp-Overbaugh also ...

Nick Andrews | Jul 2013 | Article

Runner beans are beautiful and edible

If you have trouble getting other green beans to germinate in early May because of cold soil, try planting a patch of scarlet runner beans first before your pole and bush green beans.

Feb 19, 2003 | News Story

Estimating Nitrogen & Dry Matter From Cover Crops

Cover crops are used by many farmers, but very few know how much nitrogen (N) or dry matter they are getting from their cover crops. There are some methods in the literature for estimating cover crop contributions. We are ...

Nick Andrews | Apr 2007 | Article

Estimating Nitrogen Mineralization in Organic Potato Production

Describes a "crop N uptake" method for estimating N mineralization from soil organic matter. Crop N uptake is a site-specific indicator of N that is "available" to the crop.

Dan Sullivan | Jan 2008 | OSU Extension Catalog