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“Nitrogen stable isotopic composition of leaves and soil: tropical versus temperate forests”
46: 45-65.
1999.
1999.
“Landscape structure and extra-field processes: Impact on management of pests and beneficials”
: 79-104.
1999.
“Resource competition and suppression of plants colonizing early successional old fields”
118: 69-75.
1999.
“Laparascopic sampling of roots of known age from an expandable-wall minirhizotron system”
91: 876-879. doi:10.2134/agronj1999.915876x.
1999.
“Temperature response function for leaf appearance rate in wheat and corn”
79: 1-10. doi:10.4141/p97-148.
1999.
“Soil CO2, N2O, and CH4 Exchange”
: 185-201.
1999.
“Root age and phosphorus effects on colonization of big bluestem (Andropogon geradii) by micorrhizal fungi”
31: 1657-1660.
1999.
“Denitrification”
: 272-290.
1999.
“Evaluation of the CERES-Maize water and nitrogen balances under tile-drained conditions”
62: 189-199.
1999.
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.
1999.
“Establishment, competition and the distribution of native grasses among Michigan old-fields”
87: 476-489.
1999.
1999.
“Soil carbon dynamics in corn-based agroecosystems: results from carbon-13 natural abundance”
63: 584-591.
1999.
“Simulating soybean root growth and soil water extraction using a functional crop model”
42: 1868-1877.
1999.
“Comparative diversity of ammonia-oxidizer 16S rRNA gene sequences in native, tilled, and successional soils”
65: 2994-3000.
1999.
“A heuristic model for the calculation of dinitrogen and nitrous oxide flux for 15N-labeled soil”
63: 1709-1716.
1999.
1999.
“Nematodes and soil quality”
: 84-94.
2000.