ABSTRACT

Soil drainage is an important soil property affecting plant growth, water ow, and solute transport in soils. Accurate and inexpensive prediction and mapping of soil drainage classes for agricultural elds or small watersheds are of great importance for both agricultural and environmental management. However, accurate drainage mapping of a particular site is often not possible without taking soil cores-a task that is both time consuming and expensive. Therefore, it would be bene- cial to determine other easily measured factors for quantitative prediction of soil drainage on small scales and to estimate potential accuracy of such prediction.