The following are links related to soil science, soil science education, and open educational resources.
SoilScience.info (maintained by Dr. Crouse)
Dr. Moorberg's Links
Dr. Crouse's Links
Soil Science Society of America (SSSA)
North American Colleges and Teachers of Agriculture (NACTA)
Food and Agriculture Organization (FAO) of the United Nations (UN)
Dr. Dirt
Heading photo: "Colfax Soil Series" by John Kelley