Subsoil is the layer of soil under the topsoil on the surface of the ground. Like topsoil, it is composed of a variable mixture of small particles such as sand, silt and clay, but with a much lower percentage of …

Mar 28, 2025 · Subsoil is the layer of soil below topsoil where minerals accumulate as they work their way down from the surface. It is also called “undersoil” or “B soil horizon.”

Dec 10, 2025 · A comprehensive guide explaining what subsoil is, its composition and properties, how it differs from topsoil, and its practical uses in construction and agriculture.

Subsoil, Layer (stratum) of earth immediately below the surface soil, consisting predominantly of minerals and leached materials such as iron and aluminum compounds.

Feb 6, 2024 · In summary, topsoil and subsoil are two distinct layers of the earth with different properties and functions. Topsoil is the fertile upper layer, ideal for plant growth, while subsoil lies beneath, …

Jun 15, 2024 · Subsoil is the layer of soil found beneath the topsoil and above the bedrock. It typically consists of a mixture of sand, silt, and clay.

Dec 5, 2022 · The movement of smaller soil particles from the surface soil into the subsoil increases clay content. The subsoil also lacks many of the rooting channels and biological pores that help build and …

The meaning of SUBSOIL is the stratum of weathered material that underlies the surface soil.

Jul 22, 2025 · Subsoil, the B horizon, often lies beneath the topsoil and is a crucial component of the soil ecosystem. While less fertile than topsoil, it plays a vital role in water storage, nutrient cycling, and …

Topsoil, the uppermost layer, is rich in organic matter and nutrients. It is essential for seed germination and early plant growth. The subsoil, found beneath the topsoil, is denser and contains more …