Home > Term: Oa horizon
Oa horizon
A layer occurring in mor humus consisting of well-decomposed organic matter of unrecognizable origin (sapric material).
- Μέρος του λόγου: noun
- Κλάδος/Τομέας: Earth science
- Category: Soil science
- Company: Soil Science Society of America
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Δημιουργός
- Bob Adams
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