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Soil horizon

Soil horizon

A distinct layer of soil, more or less parallel with the soil surface, having similar properties such as colour, texture and permeability, the soil profile is subdivided into the following major horizons:

A-horizon, characterised by an accumulation of organic material.

B-horizon, characterised by relative accumulation of clay iron, organic matter or aluminum.

C-horizon, the undisturbed and unaltered parent material. (Some soils have an E-horizon, characterised by leaching of organic and other material.)

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What part of a dead tree doesn't biodegrade

... become gaseous). Ultimately, much of this carbon finds its way into the soil (acid leaching takes it beyond the a-horizon). Also, much of the carbon is drained off into streams and rivers, and ultimately is ...

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by AstusAleator
Fri Feb 16, 2007 10:34 am
Forum: Botany Discussion
Topic: What part of a dead tree doesn't biodegrade
Replies: 9
Views: 6488

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