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.
Methane yield curves of the liquid manure (
), and A-sludge (
) substrates incubated without the addition of an inoculum. The molasses and bio-refinery waste substrates were not included in the figure, because of these substrates did not show any indigenous methanogenic activity. Error bars show standard deviations.
