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.
Changes in the copy numbers of archaeal (a) and bacterial (b) amoA genes in soil microcosms over an incubation period of 56 days. Error bars represent the standard errors of triplicate microcosms. The same letter above different bars indicates no significant difference (P > 0.05).
