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May 11, 2018 · Reducing Wind Erosion. The best way to reduce wind erosion is to keep the wind off the soil surface by covering the soil surface. Growing vegetation, either cash crops or cover crops, protects the soil and keeps the winds higher off the surface. Standing crop residues function the same way.
Roots and stems of a crop left on and attached to the soil after harvesting anchor the soil and reduce wind erosion. Crop residue and stubble create a layer of slower moving air at the soil surface so the wind does not have the energy to lift soil particles and begin the erosion process. It is recommended that
Jul 3, 2023 · It takes soil particles “just the right size” — something along the lines of sand, loamy-sand, sandy-loam or muck surface textures — for wind erosion to become a major problem. How does wind erosion evolve? After wind reaches 12 to 13 miles per hour, soil particles at the surface start bouncing along, displacing other soil particles.
Soil loss via wind erosion cuts your profits and reduces productivity by removing a non-renewable crop production resource. Erosion is very costly because the nutrients it removes must be replaced. Plus, it reduces the depth of productive soil, lowering the water-holding capacity. By controlling wind erosion, you’ll inevitably control water erosion as well.
Shelterbelts and water diversion terraces can reduce wind and water erosion, however, the addition of these obstacles at field edges can increase soil lost by tillage erosion. The chisel plough leaves more crop residue on the soil surface than the moldboard plough, which can provide protection against wind and water erosion.
prevailing wind erosion direction by month for many locations in the United States are available (see the web site address at the end of this document)(Table 1.). The critical wind erosion period is when agricultural fields are particularly vulnerable to wind erosion due to higher wind speeds than normal and low vegetative cover on fields.
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bare, and the wind velocity exceeds the threshold velocity for the soil. Al- though wind erosion may occur in humid and subhumid climates, it is more prevalent in semiarid to arid areas and is extensive in the Great Plains. In this report, we identify various practices used to reduce wind erosion and we describe their advantages and limits.
