soil profile

noun

a vertical succession of horizons, commonly lettered A, B, C (beginning at the surface), that have been subjected to soil-forming processes, chiefly leaching and oxidation.
a diagram of a vertical section of soil depicting the horizons.

Origin of soil profile

First recorded in 1920–25

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

When you cut the plant and it dies, there’s all that carbon from the atmosphere that’s now deep in the soil profile and becomes stable soil carbon.
The Ecology of Good Weed - Issue 104: Harmony | Madison Margolin | August 25, 2021 | Nautilus
The midden material is extremely compact, and there is a suggested development of a soil profile.
The Topanga Culture Final Report on Excavations, 1948 | A. E. Treganza
From the walls of the pit it could be noted that some soil profile had already developed.
The Topanga Culture Final Report on Excavations, 1948 | A. E. Treganza

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