Figure 2.
Correlation coefficients of soil properties. * and ** indicate a significant correlation at the 0.05 and 0.01, respectively.
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.