Soil Quality and Testing

What is good soil? Find information about soil characteristics and how they can be measured, managed and/or changed.

Alternative Soil Testing Laboratories   html

National Center for Appropriate Technology. ATTRA - National Sustainable Agriculture Information Service.

Provides information about soil testing laboratories and supplies that meet the special needs of farmers using organic or sustainable production practices.

Better Soil Better Yields: A Guidebook to Improving Soil Organic Matter and Infiltration   pdf   (12 MB)

Purdue University. Conservation Technology Information Center.

Reviews soil quality in terms of organic matter and the use of no-till crop production to improve water infiltration.

Soil Health   html

USDA. Natural Resources Conservation Service.

The USDA's main source for basic soil science information, guides to a variety of soil tests, practices to maintain soil health, and other technical information sources. Sections cover Soil Health, Soil Quality Assessment, Soil Quality Management and Soil Quality Resources and Publications.

Agricultural Management Practices and Soil Quality   html

Virginia Cooperative Extension Service.

A guide for measuring, assessing and comparing laboratory and field test kit indicators of soil quality attributes.