Eine Streichung kann ich leider nicht unterstützen. Nicht alles im berüchtigten fachwörterbuch ist falsch :-) :
Bauernerde im nicht-poetischen Umfeld z.B. hier:
(Boden)Krume f, Ackerkrume, Kulturboden m, Baumerde, Dammerde f, Bauernerde, Gewächserde, Krummenhorizont m ● vegetable soil, surface soil; topsoil [ partial synonym] [ The upper 12 to 20 cm of a soil that is tilled] ...
https://www.springerprofessional.de/boden-kru...
The definition of subsoil
Directly beneath the surface soil (topsoil) lies a layer known as Subsoil. Worn and weather-beaten, this eroded material is a salient part of the environment.
https://www.topsoilshop.co.uk/knowledge-base/...
Topsoil is exactly what it sounds like; it is the top layer of soil... Also known as surface soil, this organic layer is where you can also find most of a plant’s roots.
https://www.grabco.co.uk/what-is-topsoil/