All   0-9   A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Root zone

The part of the soil that can be penetrated by plant roots.


The precipitation discharged into stream channels from an area. The water that flows off the surface of the land without sinking into the soil is called surface runoff. Water that enters the soil before reaching surface streams is called groundwater runoff or seepage flow from groundwater.

Display #