Soil loss from root crops is an increasingly significant problem studied for some species, such as potatoes, sugar beets, carrots, celery, and onions. It reduces soil fertility and, subsequently, soil productivity. For leek (Allium porrum) and groundnut (Arachis hypogaea), however, there is little information to date. More research on this topic could help farmers reduce the process of soil degradation. In some countries, such as