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1993.
“Seedling emergence of yellow-flowered alfalfa as influenced by seed weight and planting depth”
84: 821-826.
1992.
1992.
“Long-term soil water dynamics in the shortgrass steppe”
73 (4): 1175-1181.
1992.
1992.
“Influence of organic amendments and N fertilization on soil organic matter in long-term plots: model analysis”
56: 476-488.
1992.
“Modeling soil organic-matter in organic-amended and nitrogen-fertilized long-term plots”
56 (2): 476-488.
1992.
“A comparison of 14C, 86Rb, and total excavation for determination of root distributions of individual plants”
144: 125-132.
1992.
1992.
“Carbon dynamics and estimates of primary production by harvest, C14 dilution, and C14 turnover”
73 (2): 593-607.
1992.
1992.
1992.
1992.
“Physiological responses of plant populations to herbivory and their consequences for ecosystem nutrient flow”
140 (4): 685-706.
1992.
1992.
“Spatial variability in seed production of the perennial bunchgrass Bouteloua gracilis (H.K.) Lag. ex Griffiths”
79: 347-353.
1992.
“An approach to assessment of management impacts”
64: 423-435.
1992.
1992.
1993.
1993.