Sponseller, R. A. (Contributor), Clark, C. (Contributor), Kaye, J. P. (Contributor), Huber, D. (Contributor), Collins, S. L. (Contributor), Hall, S. J. (Contributor), Grimm, N. B. (Contributor) (Jan 1 2016). Appendix A. Effect of nutrient additions on soil organic matter concentration. figshare Academic Research System. 10.6084/m9.figshare.3515903.v1