noun

topsoil

topsoil

The farmer added nutrients to the topsoil.

The farmer added nutrients to the topsoil.

Erosion washed away the valuable topsoil.

Erosion washed away the valuable topsoil.

((topsoil)) the upper layer of soil The farmer added nutrients to the topsoil.

humus, loam, earth

From 'top' + 'soil'. It literally means the uppermost layer of soil.

Picture the very top layer of earth in a garden, where plants grow.

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