While plantation surfaces refer mostly to erosional surfaces, the present writer is inclined to include depositional surfaces or plains also under the term. This can be done if we concentrate our attention on the processes, which produce level surfaces or plains.
In the desert regions, both tropical and temperate, both high interment basins and low open deserts the intense process of erosion as well as deposition or deflation cause the leveling of the ground. On the mountain, ward margins there may be pediments.
In the glacial and periglacial regions, the heavy load of moving ice in addition to the various processes of ice erosion is responsible for plantation and development of glacial landforms including glacial pediments.