A vertical cross section of soil extending from the surface to the deepest extent of plant root activity or to the regolith and bedrock is known as a
A) pedon.
B) soil profile.
C) soil horizon.
D) polypedon.

Question

Quizplus · Accepted Answer

A soil profile is a vertical cross-section of soil that extends from the surface to the deepest extent of plant root activity or to the regolith and bedrock. A pedon is a smaller unit of soil that is used to represent a particular soil type, while a soil horizon is a layer of soil that is defined by distinctive physical or chemical properties. A polypedon is a group of contiguous pedons with similar characteristics.

A Vertical Cross Section of Soil Extending from the Surface