Simple Things. 

There are many methods that could be done in order to prevent soil erosion from happening in your land. Also, there are many products and tools that are available in many gardening/home product stores that are found very helpful in assisting with the process. On another note, there are different types of soil erosion so it is recommended to carefully study the situation before going ahead and working on fixing it. These are the top four methods that are used to prevent soil erosion:
1. Planting Vegetation
2. Matting
3. Mulch/Fertilize
4. Retaining Walls/Edging