• 1: R.D. Boone, D.F. Grigal, P. Sollins, R.J. Ahrens, D.E. Armstrong: Soil Sampling, Preparation, Archiving, and Quality Control



• 2: D.F. Grigal, J.C. Bell, R.J. Ahrens, R.D. Boone, E.F. Kelly, H.C. Monger, P. Sollins: Site and Landscape Characterization for Ecological Studies



• I. Soil Physical Properties



• 3: W.M. Jarrell, D.E. Armstrong, D.F. Grigal, E.F. Kelly, H.C. Monger, D. Wedin: Soil Water and Temperature Status



• 4: E.T. Elliott, J.W. Heil, E.F. Kelly, H.C. Monger: Soil Structural and Other Physical Properties



• II. Soil Chemical Properties



• 5: P. Sollins, C. Glassman, E.A. Paul, C. Swanston, K. Lajtha, J.W. Heil, E.T. Elliott: Soil Carbon and Nitrogen: Pools and Fractions



• 6: G.P. Robertson, P. Sollins, B.G. Ellis, K. Lajtha: Exchangeable Ions, pH, and Cation Exchange Capacity



• 7: K. Lajtha, C.T. Driscoll, W.M. Jarrell, E.T. Elliott: Soil Phosphorus: Characterization and Total Elemental Analysis



• 8: M.E. Harmon, K. Lajtha: Analysis of Detritus and Organic Horizons for Mineral and Organic Constituents



• 9: K. Lajtha, W.M. Jarrell, D. Johnson, P. Sollins: Collection of Soil Solution



• III. Soil Biological Processes



• 10: E.A. Holland, G.P. Robertson, J. Greenberg, P.M. Groffman, R.D. Boone, J.R. Gosz: Soil CO¿, N¿O, and CH[4 Exchange



• 11: M.E. Harmon, K.J. Nadelhoffer, J.M. Blair: Measuing Decomposition, Nutrient Turnover, and Stores in Plant Litter



• 12: D.D. Myrold, R.W. Ruess, M.J. Klug: Dinitrogen Fixation



• 13: G.P. Robertson, D. Wedin, P.M. Groffman, J.M. Blair, E. Holland, K.J. Nadelhoffer, D. Harris: Soil Carbon and Nitrogen Availability: Nitrogen Mineralization, Nitrification, and Soil Respiration Potentials



• 14: M. Groffman, E.A. Holland, D.D. Myrold, G.P. Robertson, X. Zou: Denitrification



• IV. Soil Organisms



• 15: E.A. Paul, D. Harris, M.J. Klug, R.W. Ruess: The Determination of Microbial Biomass



• 16: R.L. Sinsabaugh, M.J. Klug, H.P. Collins, P.E. Yeager, S.O. Petersen: Characterizing Soil Microbial Communities



• 17: D.C. Coleman, J.M. Blair, E.T. Elliott, D.H. Wall: Soil Invertebrates



• 18: N.C. Johnson, T.E. O'Dell, C.S. Bledsoe: Methods for Ecological Studies of Mycorrhizae



• 19: C.S. Bledsoe, T.J. Fahey, F.P. Day, R.W. Ruess: Measurement of Static Root Parameters: Biomass, Length, and Distribution in the Soil Profile



• 20: T.J. Fahey, C.S. Bledsoe, F.P. Day, R.W. Ruess, A.J.M. Smucker: Fine Root Production and Demography