Definition

Natural soil drainage is judged by the color pattern of the subsoil. First, look at the overall color of the subsoil. Well or moderately well-drained soils appear brownish, while poorly and somewhat poorly drained soils generally appear gray. Directions for determining natural soil drainage are given in the chart below. Use the two tables below and follow the steps to determine soil drainage.


Determining Natural Soil Drainage
The table above outlines the process for determining natural soil drainage. The graphic above is a visual representation of the processes outlined in the table.

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