Soil Horizons
Definition
Soil horizons are distinct layers or zones within soil profiles that have different physical and chemical properties. These horizons form as a result of various processes such as weathering, organic matter accumulation, leaching, and mineral deposition.
Related terms
Weathering: Weathering refers to the breakdown and alteration of rocks at or near Earth's surface due to exposure to various weather conditions.
Leaching: Leaching is the process by which water carries dissolved substances (such as minerals) from one layer of soil to another deeper layer.
Organic Matter Accumulation: Organic matter accumulation refers to the build-up of decomposed plant and animal materials in the soil, which contributes to its fertility and nutrient content.
"Soil Horizons" appears in:
Study guides (1)
AP Environmental Science - 4.2 Soil Formation and Erosion
Additional resources (1)
AP Environmental Science - Unit 4 Overview: Earth Systems and Resources
Practice Questions (1)
Which process contributes to the formation of soil horizons?
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© 2024 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.