Provides information about soil testing laboratories and supplies that meet the special needs of farmers using organic or sustainable production practices.
Soil Quality and Testing
What is good soil? Find information about soil characteristics and how they can be measured, managed and/or changed.
National Center for Appropriate Technology. ATTRA - National Sustainable Agriculture Information Service.
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.
USDA. Natural Resources Conservation Service.
Virginia Cooperative Extension Service.
A guide for measuring, assessing and comparing laboratory and field test kit indicators of soil quality attributes.