Topsoil: meaning, definitions and examples

Again, a common term across various fields like gardening and agriculture, to describe the soil that lies at the top and is essential for plant growth.

• Adding mulch can help preserve moisture in the topsoil.
• The landscaper recommended adding a layer of fresh topsoil to the flower beds.

Used in environmental studies, construction, and land management, focusing on the soil found on the very top layer of the ground.

• Erosion has washed away most of the surface soil in this area.
• Surface soil samples were collected to test for contaminants.

A more general and technical term used in soil science and geology to describe the top layer of soil without implying any specific thickness or quality.

• The roots of most plants are primarily found in the upper soil layer.
• The upper soil layer is subjected to various weathering processes.

Typically used in gardening and farming, this word refers to the uppermost layer of the soil, which is rich in organic matter and nutrients. Ideal for general planting and landscaping.

• Before planting the garden, we added some topsoil to improve the soil quality.
• Topsoil erosion is a significant concern for sustainable agriculture.

Used mainly in scientific and agricultural contexts, humus refers to the decomposed organic matter in the soil that enhances its fertility and water retention properties.

• The presence of humus in the soil indicates its high fertility.
• Gardeners often add humus to the soil to improve plant growth.

This term is used in gardening, farming, and soil science to describe a type of soil that is a balanced mixture of sand, silt, and clay, making it very fertile and easy to work with.

• Loam soil is ideal for growing a wide variety of plants.
• The texture of loam makes it easy to till and provides good drainage.