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* [[Topsoil]]: The upper, outermost layer of soil, usually the top 2 inches (5.1 cm) to * [[Subsoil]]: The layer of soil beneath the topsoil that has lower organic matter and plant nutrient content.

...orms. In agriculture, soil erosion refers to the wearing away of a field's topsoil by the natural physical forces of water ([[Water Erosion]]) and wind ([[Win ...dation]]''': Soil erosion can lead to a decrease in soil fertility, as the topsoil, which is the most fertile layer of soil, is often the first to be eroded.

* [[Topsoil]]: The uppermost layer of soil, rich in organic matter and humus.

* [[Soil erosion]]: The wearing away of topsoil, which is the top layer of soil and is the most fertile because it contains

...ion and rehabilitation approach to food and farming systems. It focuses on topsoil regeneration, increasing biodiversity, improving the water cycle, enhancing