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Subsoil

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Title: Subsoil  
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Subsoil

Subsoil layer

Subsoil is the layer of humus content of topsoil. Below the subsoil is the substratum, which can be residual bedrock, sediments, or aeolian deposits. As it is lacking in dark humus, subsoil is usually paler in colour than the overlying topsoil. It may contain the deeper roots of some plants, such as trees, but a majority of plant roots lie within the surface topsoil.

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  • Topsoil and Subsoil


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