However, the loss of soil depth and organic matter takes centuries to correct.

The design calls for soil depths of 4 inches to 18 inches.

Small plants requiring shallow soil depths were chiefly selected.

The first scientific paper on the subject was published in 1882 and reported on the occurrence of seeds at different soil depths.

The distribution of desert shrubs varies with soil depth, texture, and elevation.

Optimal soil depth is between 50 and 100 cm, with a light soil texture.

The average alluvial soil depth (top soil) is 25 ft.

Typical soil depths in the headwater area range from 14 to 20 inches (35 to 50 centimeters).

Tubers can develop in soil depths of around 30 cm, but most occur in the top or upper part.

Cyamopsis r plant can access soil moisture in low soil depths.