Soil Testing

Extension Soils Portal

Fertilizing with Organic Nutrients, USDA

Soils Publications

Soils Magazine – Soil Science Solutions

Soils of North Carolina

Soil Science Society of America

Ag Chem ManualFertilizers

Nutrient Sufficiency Levels 


Cover Crops

Soils 101 –  a self-paced, online, distance education course offered by NC State Extension and NC State Soil Science Department.


  • SoilWeb Apps – GPS based, real-time access to USDA-NRCS soil survey data, formatted for mobile devices. This application retrieves graphical summaries of soil types associated with the user’s current geographic location. Images are linked to detailed information on the named soils.

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