| − | '''Ridge roughness''' (named ''K factor'' in the [[Wind erosion equation]] ) is - according to the [[USDA]] terminology - ''"a measure of the effect of ridges made by tillage and planting implements. It is expressed as a decimal from 0.5 to 1.0. ''
| + | [[Conservapedia will be drowned in vandalism. No doubt about it, you can't stop us!]] |