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| Description: The O horizon is recognized where abundant organic material accumulates on the surface. Soil components are leached or otherwise removed from the organic-bearing A horizon (topsoil) which is: Nutrient-rich Fertile medium for growing plants Material leached from A accumulates in the B horizon from water: Clay minerals Yellow, red, orange from iron oxides The C horizon contains remnants of the parent material. Picture Stats: Views: 533 Filesize: 155.97kB Height: 1080 Width: 762 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=21566 |