Figure 7.
Index of the influence of heavy metals (IFHm) on the yield of (a) aboveground parts, (b) roots of plants.
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.