Links
[1] http://knz.lternet.edu/content/assessment-soil-quality-fields-short-and-long-term-enrollment-crp
[2] http://knz.lternet.edu/biblio?f[author]=7
[3] http://knz.lternet.edu/biblio?f[author]=2913
[4] http://knz.lternet.edu/biblio?f[author]=3824