Question

write any five features of topsoil and subsoil​

Answer 1

Answer:

The topsoil layer is a mixture of sand, silt, clay and broken down organic matter, called humus. ... Just below the topsoil layer is the subsoil layer. The subsoil may contain some broken down organic matter but it is mostly made of weathered rocks and clay minerals.

Answer 2

Answer:

The features of topsoil are as follows,

The topsoils are grouped by texture and the following dominant features:

• organic material
• organic matter status
• physical, chemical and biological features
• drainage features
• land use, erosion or degradation
• external physical conditions
• slope class.

The features of subsoil are as follows,

• 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 organic matter and humus.