What is the response of a friable clod when slight pressure is applied?

A friable clod refers to a soil aggregate that is loose and easily crumbled under slight pressure. This characteristic indicates that the soil structure allows for air spaces and is not overly compacted. When slight pressure is applied to a friable clod, it does not hold its shape well; instead, it fails and crumbles. This response is important for understanding soil health, as friable soil typically indicates good aeration and water movement, which are essential for healthy root growth and microbial activity.

While a well-compacted clod might hold together, and other soils might respond to pressure by becoming firmer or by absorbing more pressure, a friable clod is defined by its ability to break apart easily, demonstrating the balance of stability and softness that makes it beneficial for plant growth.