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what is soil profiling?
Soil Profile refers to the layers of soil; horizon A, B, and C. If you're wondering what horizon A is, here's your answer: horizon A refers to the upper layer of soil, nearest the surface. It is commonly known as topsoil. [ In the woods or other areas that have not been plowed or tilled, this layer would probably include organic litter, such as fallen leaves and twigs . The litter helps prevent erosion, holds moisture, and decays to form a very rich soil known as humus. Horizon A provides plants with nutrients they need for a great life. The layer below horizon A, of course, has to be
horizon B. Litter is not present in horizon B and therefore there is much less humus. Horizon B does contain some elements from horizon A because of the process of leaching. Leaching resembles what happens in a coffee pot as the water drips through the coffee grounds. Leaching may also bring some minerals from horizon B down to horizon C. If horizon B is below horizon A, then horizon C must be below horizon B. Horizon C consists mostly of weatherized big rocks. This solid rock, as you discovered in Soil Formation, gave rise to the horizons above it. Soil profiles look different in different areas of the world. They are affected by climate and other things. ]
Expert answered|cyssuss|Points 845|
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Asked 5/27/2010 10:05:35 AM
Updated 286 days ago|4/8/2019 7:10:06 AM
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Soil Profiling can be defined as a vertical arrangement of the soil from the bottom surface downwardly to where the soil meets the underlying rock.
Added 286 days ago|4/8/2019 7:10:06 AM
Confirmed by Sting [4/8/2019 7:13:53 AM], Unconfirmed by Sting [4/8/2019 7:14:05 AM]
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