Topsoil

Definition

Topsoil is the surface soil at and including the average plow depth, used as a planting or growing medium.

Purpose

The purpose of topsoil is to provide a nutrient-rich medium for plants to grow, as it contains organic matter, microorganisms, and essential nutrients required for plant health and development.

Examples of Use

1. Gardening: Topsoil is used in gardens to provide a fertile growing medium for vegetables, flowers, and other plants.
2. Landscaping: In landscaping, topsoil is spread over areas to support grass, shrubs, and trees.
3. Agriculture: Farmers use topsoil to cultivate crops, ensuring that plants have the nutrients they need to thrive.

Related Terms

• Subsoil: The layer of soil beneath the topsoil, which has less organic matter and nutrients.
• Compost: Decomposed organic matter added to soil to improve its fertility.
• Mulch: Material spread over the surface of the soil to retain moisture and improve soil health.

Notes

• Quality: The quality of topsoil can vary, so it is important to select topsoil that is free from contaminants and rich in organic matter.
• Erosion: Topsoil can be prone to erosion, so measures such as mulching and planting cover crops are important to protect it.