bottle
identification code, a unique value for each reactor in the dataset. Integer with all values from 1 to 12.
treatment
treatment of the substrate (ground straw), a factor.
start
starting date and time, when the reactors were set up.
sub.mass
mass of substrate added to the reactor at the start in g, a numeric vector.
inoc.mass
mass of inoculum added to the reactor at the start in g, a numeric vector.
headspace
bottle headspace volume, in mL. A numeric vector.