| identifier | http://anzsoil.org/def/au/asls/soil-profile/horizons-A | ||||||||||||||||
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| notation | A | ||||||||||||||||
| definition | These are horizons either consisting of one or more surface mineral horizons with some organic accumulation and usually darker in colour than the underlying horizons, or consisting of surface and subsurface horizons that are lighter in colour but have a lower content of silicate clay and/or sesquioxides than the underlying horizons. | ||||||||||||||||
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