Photo by Melody

Definition of topsoil

Categorized under "General"

Definition as written by Linnea:

The soil at the surface of the earth, wherein plants are grown. It is the soil with the most organic matter in it.

Definition as written by Terry:

Topsoil is comprised of three basic groups of organic matter - sand, clay particles and humus

A high proportion of clay particles will create heavy soil that is difficult for air and water to pass through; too much sand will create soil that drains too quickly and cannot retain moisture or nutrients. Either problem can be remedied by amending the soil with humus or compost material.

Definition as written by Floridian:

The top layer of NATIVE soil. This term may also apply to good quality soil sold at nurseries and garden centers.

Definition as written by IA_Soil_Sci:

Topsoil. The upper part of the soil, which is the most favorable material for plant

growth. It is ordinarily rich in organic matter and is used to topdress roadbanks,
lawns, and land affected by mining.

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