This collection houses articles and publications generated by the faculty of the Department of Agronomy, Horticulture and Plant Science

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Submissions from 2000

Spatial Distribution of Soil-dwelling Stages of Northern Corn Rootworm in Relation to Measurable Soil and Crop Characteristics, M.M. Ellsbury, D.D. Malo, D.E. Clay, S. A. Clay, and C. G. Carlson

Using Spectral Reflectance and Remote Sensing to Compare Soybeans (Glycine max) and Green Foxtail (Setaria viridis), C. Gustafson, S. A. Clay, D. Clay, C. G. Carlson, K. Dalsted, and M. M. Ellsbury

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Biological control of Canada thistle (Cirsium arvense) in South Dakota, Z. Liu, S. A. Clay, and M. Brinkman

Hillslope Chronosequence of Electromagnetic Induction Readings as Influenced by Selected Soil Properties, W. A. Nugteren, D. D. Malo, T. E. Schumacher, C. G. Carlson, D. E. Clay, C. G. Carlson, D. E. Clay, S. A. Clay, K.J. Dalsted, and M. M. Ellsbury

Integrating Remote Sensing (Aerial Images), Geographic Information System (GIS), and Global Positioning System (GPS) Data: the Case of Mapping Weeds in a Moody County (South Dakota) Field, P. Thanapura, S. A. Clay, D. E. Clay, C. Cole, K. Dalsted, and M O'Neill

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Herbicide Strategies for Managing Kochia (Kochia scoparia) Resistant to ALS-Inhibiting Herbicides in Wheat (Triticum aestivum) and Soybean (Glycine max), Ryan Wolf, Sharon A. Clay, and Leon J. Wrage

Submissions from 1999

Reproductive Status of Flea Beetles in North Dakota and South Dakota, Mark A. Brinkman and Sharon A. Clay

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Influence of Deleterious Rhizobacteria on Leafy Spurge (Euphorbia esula) Roots, Mark A. Brinkman, Sharon A. Clay, and Robert J. Kremer

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Weed Detection in Field Corn Using High Resolution Multispectral Digital Imagery and Field Scouting, Brian L. Broulik, K. J. Dalsted, S. A. Clay, D. E. Clay, C. G. Carlson, M. M. Ellsbury, and D. D. Malo

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Evaluation of General Weed Management (GWM) Model: A Computerized Bioeconomic Weed Decision Aid for Row Crops, Brian L. Broulik, C. L. Reese, D. E. Clay, and M. M. Ellsbury

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Precision Farming Protocols: Part 1. Grid Distance and Soil Nutrient Impact on the Reproducibility of Spatial Variability Measurements, Jiyul Chang, David E. Clay, C. Greg Carlson, Douglas D. Malo, Sharon A. Clay, John Lee, and Mike Ellsbury

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Systematic Evaluation of Precision Farming Soil Sampling Requirements, David E. Clay, C. G. Carlson, J. Chang, S. A. Clay, D. D. Malo, M. M. Ellsbury, and John Lee

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Targeting Precision Agrichemical Applications to Increase Productivity, S. A. Clay, G.J. Lems, D. E. Clay, M. M. Ellsbury, and F. Forcella

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Sampling Weed Spatial Variability on a Fieldwide Scale, Sharon A. Clay, G. Jason Lems, Frank Forcella, Michael M. Ellsbury, C. Gregg Carlson, and David E. Clay

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Spatial Variability in Corn Rootworm Distribution in Relation to Spatially Variable Soil Factors and Crop Condition, M.M. Ellsbury, W. D. Woodson, D. D. Malo, D. E. Clay, C. G. Carlson, and S. A. Clay

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On-Farm-Research Protocols: Determining Vertical Accuracy of Differentially Corrected Carrier and Code Phase Global Positioning Satellite Systems, D.P. Johnson, D. E. Clay, C. G. Carlson, K. W. Strange, S. A. Clay, J. A. Schumacher, and M. M. Ellsbury

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Influence of Crop Rotation, Tillage, and Management Inputs on Weed Seed Production, George O. Kegode and Frank Forcella

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Stability of Corn (Zea mays)-foxtail (Setaria spp.) Interference Relationships, John L. Lindquist, Philip Westra, W. J. Lambert, Thomas T. Bauman, Jason C. Fausey, James J. Kells, Steven J. Langton, R. Gordon Harvey, Brett H. Bussler, Kevin Banken, Sharon Clay, and Frank Forcella

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Spatial Variation in Atrazine Field Dissipation and Laboratory Mineralization and Their Relationship to Weed Control, Z. Liu, S. A. Clay, and D. E. Clay

Submissions from 1998

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Field Scale Variability of Nitrogen and δ15N in Soil and Plants, D. E. Clay, J. Chang, S. A. Clay, m. Ellsbury, C. G. Carlson, D. D. Malo, D. Woodson, and T. DeSttur

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Application Method: Impacts on Atrazine and Alachlor Movement, Weed Control, and Corn Yield in Three Tillage Systems, S. A. Clay, D. E. Clay, W. C. Koskinen, and R. K. Berg Jr

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Weed Seedbanks and Corn Growth Following Continuous Corn or Alfalfa, Sharon A. Clay and Immer Aguilar

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Leafy Spurge Biological Control Using Black Dot Flea Beetles and Deleterious Rhizobacteria: Final Report Submitted to South Dakota Department of Agriculture Weed and Pest Control, Sharon A. Clay, Mark A. Brinkman, Robert J. Kramer, Jan J. Jackson, and Nels H. Granholm

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Atrazine, Alachlor, and Total inOrganic Nitrogen Concentrations of Winter Wind‐eroded Sediment Samples, Tom M. DeSutter, S. A. Clay, and D. E. Clay

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Diversity and Dominant Species of Ground Beetle Assemblages (Coleoptera: Carabidae) in Crop Rotation and Chemical Input Systems for the Northern Great Plains, Michael M. Ellsbury; Janine E. Powell; Frank Forcella; W, David Woodson; Sharon A. Clay; and Walter E. Riedell

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Diversity and Dominant Species of Ground Beetle Assemblages (Coleoptera: Carabidae) in Crop Rotation and Chemical Input Systems for the Northern Great Plains, Michael M. Ellsbury, Janine E. Powell, Frank Forcella, W. David Woodson, Sharon A. Clay, and Walter E. Riedell

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Geostatistical Characterization of the Spatial Distribution of Adult Corn Rootworm (Coleoptera: Chrysomelidae) Emergence, M. M. Ellsbury, W. D. Woodson, S. A. Clay, D. D. Malo, J. Schumacher, D. Clay, and C. G. Carlson

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Corn and Soil Fertility Responses to Crop Rotation with Low, Medium, or High Inputs, Walter E. Riedell, Thomas E. Schumacher, Sharon A. Clay, Michael M. Ellsbury, Max Pravecek, and Paul D. Evenson

Submissions from 1997

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Analysis of Spatial Distribution of Canada Thistle (Cirsium Arvense) in Notill Soybean (Glycine Max), B. L. Broulik, J. Lems, S. A. Clay, D. E. Clay, and M. M. Ellsbury

Sorption and Degradation of Alachlor in Soil and Aquifer Material, S. A. Clay, T. B. Moorman, D. E. Clay, and K. A. Scholes

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Leafy Spurge - A Review, Sharon A. Clay and Chad M. Scholes

Spatial Characterization of Adult Emergence Patterns and Oviposition for Corn Rootworm Populations in Continuous and Rotated Corn, M. M. Ellsbury, W D. Woodson, L. D. Chandler, S. A. Clay, D. E. Clay, D. Malo, T. Schumacher, J. Schumacaher, and C. G. Carlson

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Weed Seed Bank Emergence across the Corn Belt, Frank Forcella, Robert G. Wilson, Jack Dekker, Robert J. Kramer, John Cardina, Randy L. Anderson, David Alm, Karen A. Renner, R. Gordon Harvey, Sharon Clay, and Douglas D. Buhler

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Factors Affecting Atrazine Fate in North Central U.S. soils, W. C. Koskinen and Sharon Clay

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Atrazine and Alachlor Adsorption Characteristics to Benchmark Soil Series in Eastern South Dakota, Z. Liu, S. A. Clay, J. Gaffney, and D. Malo

Submissions from 1996

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Temporal Variability of Organic C and Nitrate in a Shallow Aquifer, D. E. Clay, S. A. Clay, T. B. Moorman, K. Brix-Davis, K. A. Scholes, and A. R. Bender

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The Interaction between the Spatial Variability of Velvetleaf Populations and Corn Grain Yield Potentials, S. A. Clay and K. Brix-Davis

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The Effect of Ammonia on Atrazine Sorption and Transport, S. E. Clay, D. E. Clay, Z. Liu, and S. S. Harper

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Alternative Weed Management Strategies Symposium: An Overview, Sharon Clay

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Transport of Agrichemicals by Wind Eroded Sediments to Nontarget Areas, Thomas M. DeSutter, Sharon A. Clay, and David E. Clay

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Spatial Characterization of Corn Rootworm Populations in Continuous and Rotated Corn, M. M. Ellsbury, W. D. Woodson, S. A. Clay, and C. G. Carlson

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Stability of Corn (Zea mays)-Velvetleaf (Abutilon theophrasti) Interference Relationships, John L. Lindquist, David A. Mortensen, Sharon Clay, Richard Schmenk, James J. Kells, Kirk Howatt, and Philip Westra

Submissions from 1995

RIdge-Tillage Systems and Water Quality in MSEA Studies, R. Allmaras, S. Clay, D. Hughes, R. Kanwar, R. Knoighton, J. Lamb, B. Lowery, and S. Workman

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Banding Nitrogen Fertilizer Influence on Inorganic Nitrogen Distribution, D. E. Clay, C. C. Carlson, P. W. Holman, T. E. Schumacher, and S. Clay

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Leaching of Dissolved Organic Carbon in Soil Following Anhydrous Ammonia Application, D. E. Clay, S. A. Clay, Z. Liu, and S. S. Harper

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Alachlor and Metolachlor Movement During Winter and Early Spring at Three Midwestern Sites, S. A. Clay, W. C. Koskinen, and J. M. Baker

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Spring Wheat (Triticum aestivum) Cultivar Responses to Trifluralin and Postemergence Herbicides, Sharon A. Clay, Jim F. Gaffney, and Leon J. Wrage

Where's the Atrazine? A Regional Groundwater Synopsis, N. Fausey, R. Dowdy, T. Steinheimer, R. Spalding, P. Blanchard, B. Lowery, W. Albus, and Sharon Clay

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Ammonia Impacts on Atrazine Leaching Through Undisturbed Soil Columns, Z. J. Liu, S. A. Clay, D. E. Clay, and S. S. Harper

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Velvetleaf (Abutilon theophrasti) Effect on Corn (Zea mays) Growth and Yield in South Dakota, Chad Scholes, Sharon A. Clay, and Kalyn Brix-Davis

Ammonia Fertilizer Influences Atrazine Adsorption-Desorption Characteristics, Liu Zhoujing, Sharon A. Clay, David E. Clay, and Sidney S. Harper

Submissions from 1994

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Nitrate Movement after Anhydrous Ammonia Application in a Ridge Tillage System, D. E. Clay, S. A. Clay, K. Brix-Davis, and K. A. Scholes

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Agrichemical Detection in a Shallow Unconfined Aquifer as Influenced by Sampling Technique, D. E. Clay, P. W. Holman, S. A. Clay, T. E. Schumacher, K. A. Scholes, and A. R. Bender

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Fertilizer Shank Placement Impact on Atrazine Movement in a Ridge Tillage System, Sharon A. Clay, Kimberly A. Scholes, and David E. Clay

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Quackgrass Control in Established Alfalfa with Sethoxydim, E. K. Twidwell, K. D. Kephart, and Sharon Clay

Submissions from 1992

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Agrichemical Placement Impacts on Alachlor and Nitrate Movement Through Boil in a Ridge Tillage System, S. A. Clay, O. E. Clay, W. C. Koskinen, and G. L. Malzer

Submissions from 1991

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Alachlor Movement Through Intact Soil Columns Taken From Two Tillage Systems, Sharon A. Clay, William C. Koskinen, and Paul Carlson

Submissions from 1990

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Adsorption and Desorption of Atrazine, Hydroxyatrazine, and S-Glutathione Atrazine on Two Soils, Sharon A. Clay and William C. Koskinen

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Characterization of Alachlor and Atrazine Desorption from Soils, Sharon A. Clay and William C. Koskinen

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Chemical Control of Giant Burreed (Sparganium eurycarpum) in Wild Rice (Zizania palustris), Sharon A. Clay and Ervin A. Oelke

Submissions from 1988

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Desorption of Atrazine and Cyanazine from Soil, S. A. Clay, R. R. Allmaras, W. C. Koskinen, and D. L. Wyse

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Differences in Herbicide Adsorption on Soil Using Several Soil PH Modification Techniques, S. A. Clay, W. C. Koskinen, R. R. Allmaras, and R. H. Dowdy

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Basis for Differential Susceptibility of Rice (Oryza sativa), Wild Rice (Zizania palustris), and Giant Burreed (Sparganium eurycarpum) to Bentazon, Sharon A. Clay and Ervin A. Oelke

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Response of Spring Barley (Hordeum vulgare) to Herbicides, Sharon A. Clay, Donald C. Thill, and Verlan L. Cochran

Submissions from 1987

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Effects of Giant Burreed (Sparganium eurycarpum) and Shade on Wild Rice (Zizania palustris), Sharon A. Clay and Ervin A. Oelke