Topsoil, grass & dead leaves, rich in biological activity, rich in nutrients & minerals, Includes microorganisms, insects, plant roots, dark brown, flaky, most humus content, A horizon, Subsoil, light in colour, little biological activity, less humus, nutrients are most potent, B horizon, Parent rock, made up of rock, parent material, least humus, minimal biological activity , C horizon.

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Stilul vizual

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Restaurare activitate salvată automat: ?