Figure 5. TOC and TON average contents and average percentages of clay, silt and sand of soil below 50 cm.
(A) Box diagram of TOC contents; (B) box diagram of TON contents; (C–E) pie charts of clay, silt and sand.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.