key term - 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.