Not all farmlands are created equal — some are flat, some are on a moderate slope and some are hilly. On hilly agricultural landscapes, soil erosion can be a significant problem because soil properties and crop yields can vary throughout the field and often reflect the pattern of soil movement, resulting from the combined erosive effects of tillage and water.
Reverse soil erosion
USDA researchers move deposited topsoil from lower slopes to upper slopes, where soil erosion has reduced the amount of topsoil present.
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