There are several ways to prevent erosion, including grassing waterways, conserving tillage, covering crops, managing pastures and fortifying stream and riverbanks. Some erosion control methods, such as fortifying embankments along waterways, take place at the source, while others, such as modifying farming techniques, occur offsite. These techniques help to control and stabilize erosion on short- and long-term bases and are ideally used in combination.Know More
One common method of controlling erosion involves placing filter strips and buffers along river corridors and slopes. These strips help to slow water speed, trap sediment and debris and filter harmful toxins and pollutants, such as chemicals and pesticides. These strips prevent sediment from leaving farm areas and infiltrating nearby water systems. Grassing waterways is another erosion control mechanism that reduces the volume of tillage and reduces soil loss.
Contour farming is a long-term method of erosion prevention that creates perpendicular rows along valleys and crop fields instead of perpendicular rows that run vertically up and down slopes. These crop rows create series of small dams that slow water flow and reduce soil loss. Pasture management is another long-term technique that involves appropriately balancing the number of grazing animals with the size of farm land, which allows water-absorbing vegetation to grow and prevents plants from being uprooted, which in turn reserves critical cover.Learn more about Erosion & Weathering
Plantings, wood-fiber mats, mulch and retaining walls are all methods of soil erosion prevention. Erosion control is vital for maintaining topsoil that provides plants with important nutrients.Full Answer >
Sheet erosion refers to the loss of the top layers of nutrient-rich topsoil due to falling rain loosening soil particles and carrying them across the land. Sheet erosion is named so due to the relatively even removal of soil particles, likened to a sheet of topsoil that gets eroded.Full Answer >
Headward erosion occurs when the source of a stream channel is lengthened by erosion of the rock and soil in its basin. This type of erosion occurs in the opposite direction of the flow of the stream.Full Answer >
Riverbank erosion is the deterioration of the banks of a river or stream. It occurs when the top soil that encloses a river or stream washes away. Riverbank erosion is a natural occurrence that allows rivers to flow on a proper course. However, when accelerated because of unnatural causes, the water system is susceptible to a disproportionate sediment supply, stream channel instability and habitat loss, according to the EPA.Full Answer >