pressure pan

An induced soil pan which has a higher bulk density and a lower total porosity than the soil directly above or below it and is produced as a result of pressure applied by normal tillage operations or by other artificial means.

Related terms:

• screened pan
• marginal salt pan
• pan coefficient
• pressure-jump line
• horizontal pressure force
• preconsolidation pressure
• surface pressure
• pan
• sea-level pressure
• confining pressure