Professional societies

• Soil Science Society of America
• International Union of Soil Sciences
• Soil and Water Conservation Society
• National Society of Consulting Soil Scientists
• South Carolina Chapter of the Soil and Water Conservation Society
• Association of Women Soil Scientists

Soil Science Education

• NASA's Soil Science Education Homepage

Soil Databases

• USDA-NRCS Official Soil Series Descriptions
• National SSURGO Soil Survey Database
• National STATSGO Soil Survey Database

Soil Testing

• Clemson University Agricultural Service Laboratory