During soil erosion, the A horizon or topsoil layer is depleted, which is crucial for plant growth due to its high organic material and nutrient content.The layer of soil that gets depleted during soil erosion is the A horizon, also known as the topsoil layer. This layer is particularly vulnerable to erosion because it contains a significant amount of organic material, which is crucial for plant growth. The A horizon is typically the surface layer that interacts most with plant roots and is the first to be removed when erosion occurs. It is rich in nutrients due to the mixture of organic matter with inorganic products of weathering. Consequently, its depletion can have detrimental effects on the environment and agriculture....

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