Soil - Dirty layers

Dirty layers

As the weathering process continues over time, it causes soil to develop into layers that have distinct characteristics. A vertical slice of two or more of these layers is known as a soil profileCombined soil horizons or layers.. The layers are

known as soil horizonsAn identifiable soil layer due to color, structure, and/or texture. and are named O, A, B, and C. How thick each horizon is depends upon its location. Soil horizon properties differ in their color, texture, consistency, life, and acidity.

The uppermost soil layer, the O layer, is filled with organic matter. As this matter gets decomposed from soil-dwelling creatures it forms a dark-brown, organic material called humusFragrant, spongy, nutrient-rich decayed plant or animal...

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