Q:

# How much area does a yard of topsoil cover?

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The area covered by a cubic yard of topsoil depends on the depth of the layer. For example, according to Keleny Top Soil's calculations, 1 cubic yard spread 1 inch deep covers 324 square feet whereas the same volume of dirt at 12 inches deep only covers 27 square feet.

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Topsoil is the uppermost layer of soil that contains organic matter, which supplies plants with the nutrients needed for healthy roots. According to SF Gate's Home Guides, plants grow best in topsoil that is 36 inches or more in depth. Shallow or nutrient-deficient topsoil often is supplemented by additional topsoil or the addition of compost.

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## Related Questions

• A:

According to SFGate Home Guides, gardeners landscape a yard with Scottish moss by using it as ground cover, as a backdrop to early spring flowers, around the edges of water features and in shady spots. Small plugs of the moss should be planted in a grid with 6 to 8 inches between each plug. The moss then fills in empty spaces as it grows and needs to be watered well.

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• A:

The amount of sod that is needed for a yard is equal to the square area of a yard, which is determined by multiplying the length of the yard by the width of the yard. Yards that are not perfectly square or rectangular can be separated into various shapes where the area of the yard can be found more easily.

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• A:

Calculate the amount of topsoil needed for a given area by multiplying the length by the width by the desired depth. Topsoil is generally sold by the cubic foot, so this calculation should reveal how much to buy. The necessary depth of topsoil depends on the project, but around 4 inches is usually sufficient. HomeDepot.com features a mulch and topsoil calculator that helps with this process.