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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

Add organic matter to improve garden soils

Adding organic matter is the best way to improve nearly all kinds of soils.

Feb 27, 2009 | News Story

Ag Water, Soil Amendments, Exemption Conditions Top List of FSMA Concerns

New federal regulations will likely bring big changes in how food is grown, harvested, packed, and processed in the U.S.; small farms and local and regional food systems will feel it too. The Food Safety Modernization Act, ...

Nick Andrews, Lauren Gwin | Jul 2013 | Article

Fertilizing with Manure and Other Organic Amendments

Are you thinking about using manure to fertilize your farm but want more information? Properly managed manure applications recycle nutrients to crops, improve soil quality, and protect water quality. From deciding whether manure is ...

Dan Sullivan | Jun 2016 | OSU Extension Catalog

Composting: An Alternative for Livestock Manure Management and Disposal of Dead Animals

This publication compares composted and uncomposted manure; explains the composting process; describes equipment and strategies for composting; and lists uses, advantages, and drawbacks of compost. Discusses regulations, and briefly mentions methods for composting animal carcasses.

May 2012 | OSU Extension Catalog

Compost for blueberry plants: testing and tips

Compost is an acceptable amendment for blueberry plants, but it's important to test it before you apply it. Pay attention to pH and nutrient levels, and watch out for weeds.

Dan Sullivan | Mar 2015 | Article

Predicting Nitrogen Availability from Organic Amendments: laboratory, Field, and Computer Stimulation

A study to improve the ability to predict nitrogen availability from organic soil amendments, including improved accuracy of Nitrogen availability estimates, to target amendment application rates to meet crop N needs.

Dan Sullivan, E.S. Gale, Delbert Hemphill, Craig Crogger, Andy Bary, E.A. Myhre | Apr 2018 | Publication

Headwaters Farm Incubator Program: Cultivating the Next Generation of Farm Stewards

We’ve all heard the stats: Oregon’s farmers average 57.5 years old; only a quarter of Oregon’s primary farm operators are under the age of 50; up to half the nation’s farmland is expected to change hands over the ...

Rowan Steele | Jul 2013 | Article

Headwaters Incubator Program - Cultivating Farms and Future Stewards No Small Task

Launching a farm business is no small task. Even skilled growers who embody the creative, rugged, jack-of-all-trades image must be able to apply sound business practices, establish and maintain robust farm networks, navigate complex...

Rowan Steele | Apr 2018 | Article

Reflecting on a First-Year Farm Incubator

Much went right this inaugural season for the Headwaters Incubator Program (HIP), beginning with the five new farm businesses and future stewards being cultivated at Headwaters Farm. These farms were able to successfully grow ...

Rowan Steele | Dec 2013 | Article