One of the primary references on analytical methods in soil science, Part 2 of the Methods series will be useful to all biogeoscientists, especially those with an interest in microbiology or bioremediation.

Peter J. Bottomley is a professor of microbiology and soil science at Oregon State University.

J. Scott Angle is a professor of agronomy at the University of Maryland.

R.W. Weaver is a professor of soil microbiology at Texas A&M.