explain the various steps of soil erosion
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Erosion, whether it is by water, wind or tillage, involves three distinct actions – soil detachment, movement and deposition. Topsoil, which is high in organic matter, fertility and soil life, is relocated elsewhere "on-site" where it builds up over time or is carried "off-site" where it fills in drainage channels.
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Soil Erosion by Water
As a matter of course, soil erosion begins in the uplands where soil is dislodged and moved downslope, progressing from splash saltation, to entrainment in microchannels, to collection in rills, concentrated flow channels, gullies, and ultimately stream channels.
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