Clay-Hard Pan
A compacted subsurface soil layer. Hard pans are frequently found in soils that have undergone significant amounts of weathering. Clay will accumulate below the surface and cause the sub...
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Plow Pan
A plow pan is a subsurface horizon or soil layer having a high bulk density and a lower total porosity than the soil directly above or below it as a result of pressure applied by normal tilla...
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Clay-Hard Pan