Keyword Analysis & Research: soil profile h1

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Frequently Asked Questions

What is a soil profile?

If you look in a soil pit or on a roadside cut, you will see various layers in the soil. These layers are called soil horizons. The arrangement of these horizons in a soil is known as a soil profile.

What does E mean on soil profile cards?

The master horizon, E, is used for subsurface horizons that have a significant loss of minerals (eluviation). Hard bedrock, which is not soil, uses the letter R. Print the soil profile cards onto cardstock paper or draw your own design on a 3" x 5" note card.

What kind of exposure should be identified in the soil description?

The kind of exposure (e.g., bucket auger, push tube, small hand-dug pit, backhoe pit, road cut, etc.) should be identified in the soil description. The information in this chapter, which focuses on the standards and guidelines for describing a soil profile in the field, is complemented by that provided in chapters 2, 6, 10, and 11.

Which subzone is the lowest layer of the soil profile?

The mechanically compacted subzone is the lowest layer of all profiles shown in figure 3-5. Water-Compacted Subzone The water-compacted subzone has been compacted by repetitive large changes in water state without mechanical load, except for the weight of the soil.


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