Health Boards


My Profile

Health Boad

Health Jobs


Health Tools

soil surface

The upper limits of the soil profile; for mineral soils, the upper limits of the highest mineral horizon (A-horizon); for organic soils, the upper limit of undecomposed organic matter.

Selected soil surface links:

© 1997-2006 is a purely informational website, and should not be used as a substitute for professional legal, medical or technical advice.