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Kosola, K. R. 1999. “Laparascopic sampling of roots of known age from an expandable-wall minirhizotron system” 91: 876-879. doi:10.2134/agronj1999.915876x.
Jame, Y. W. ;Cutforth, H. W. ;Ritchie, J. T. 1999. “Temperature response function for leaf appearance rate in wheat and corn” 79: 1-10. doi:10.4141/p97-148.
Henry, A. ;Kosola, K. R. 1999. “Root age and phosphorus effects on colonization of big bluestem (Andropogon geradii) by micorrhizal fungi” 31: 1657-1660.
Garrison, M. V. ;Batchelor, W. D. ;Kanwar, R. S. ;Ritchie, J. T. 1999. “Evaluation of the CERES-Maize water and nitrogen balances under tile-drained conditions” 62: 189-199.
Gage, S. H. ;Isard, S. A. ;Colunga-Garcia, M. 1999. “Ecological scaling of aerobiological dispersal processes” 97: 249-261.
Foster, B. L.;Gross, K. L. 1999. “Temporal and spatial patterns of woody plant establishment in Michigan old fields” 142: 229-243. doi:10.1674/0003-0031(1999)142[0229:TASPOW]2.0.CO;2.
Foster, B. L. 1999. “Establishment, competition and the distribution of native grasses among Michigan old-fields” 87: 476-489.
Collins, H. P. ;Blevins, R. L. ;Bundy, L. G. ;Christenson, D. R. ;Dick, W. A. ;Huggins, D. R. ;Paul, E. A. 1999. “Soil carbon dynamics in corn-based agroecosystems: results from carbon-13 natural abundance” 63: 584-591.
Calmon, M. A. ;Batchelor, W. D. ;Jones, J. W. ;Ritchie, J. T. ;Boote, K. J. ;Hammond, L. C. 1999. “Simulating soybean root growth and soil water extraction using a functional crop model” 42: 1868-1877.
Bruns, M. A. ;Stephen, J. R. ;Prosser, J. I. ;Paul, E. A. 1999. “Comparative diversity of ammonia-oxidizer 16S rRNA gene sequences in native, tilled, and successional soils” 65: 2994-3000.
Bergsma, T. T. ;Bergsma, Q. C. ;Ostrom, N. E. ;Robertson, G. P. 1999. “A heuristic model for the calculation of dinitrogen and nitrous oxide flux for 15N-labeled soil” 63: 1709-1716.
Tiedje, J. M. ;Asuming-Brempong, S. ;Nuesslein, K. ;Marsh, T. L. ;Flynn, S. J. 1999. “Opening the black box of soil microbial diversity” 13: 109-122.
Six, J. ;Elliott, E. T. ;Paustian, K. 1999. “Aggregate and soil organic matter dynamics under conventional and no-tillage systems” 63: 1350-1358.
Sharov, A. ;Pijanowski, B. C. ;Liebold, A. ;Gage, S. H. 1999. “What affects the rate of gypsy moth (Lepidoptera: Lymantriidae) spread in Michigan: Winter temperature or forest susceptibility?” 1: 37-45.
Scriber, J. M. ;Weir, K. ;Parry, D. ;Deering, J. 1999. “Using hybrid and backcross larvae of Papilio canadensis and Papilio glaucus to detect induced phytochemical resistance in hybrid poplar trees experimentally defoliated by gypsy moths” 91: 233-236.
Robertson, G. P. 1999. “Keeping track of carbon (Letter)” 285: 1849.
Ritchie, J. T. ;Gerakis, A. ;Suleiman, A. 1999. “Simple model to estimate field-measured soil water limits” 42: 1609-1614.
Rasse, D. P.;Smucker, A. J.;Schabenberger, O. 1999. “Modifications of soil nitrogen pools in response to alfalfa root systems and shoot mulch” 91: 471-477.
Rasse, D. P. ;Smucker, A. J. 1999. “Tillage effects on soil nitrogen and plant biomass in a corn-alfalfa rotation” 28: 873-880.
Rasse, D. P. ;Ritchie, J. T. ;Peterson, W. R. ;Loudon, T. L. ;Martin, E. C. 1999. “Nitrogen management impacts on yield and nitrate leaching in inbred maize systems” 28: 1365-1371.