The study of soil as a medium for growth of living organisms. The word is from Greek edaphos ‘ground, soil’.
The word edaphology is derived from the Greek words "edaphos" meaning ground or floor, and "logy" meaning word or wisdom. Edaphology is one of the two main branches of soil science, the other being pedology. General subfields within edaphology are agricultural soil science (known by the term agrology in some regions outside of the United States and Canada) and environmental soil science.
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