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 2012

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Local Conditions, Not Regional Gradients, Drive Demographic Variation of Giant Ragweed (Ambrosia trifida) and Common Sunflower (Helianthus annuus) Across Northern U.S. Maize Belt, Sam E. Wortman, Adam S. Davis, Brian J. Schutte, John L. Lindquist, John Cardina, Joel Felix, Christy L. Sparague, Anita Dille, Analiza H.M. Ramirez, Graig Reicks, and Sharon A. Clay

Submissions from 2011

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A Simple System for Promoting Flowering of Upland Switchgrass in the Greenhouse, Joseph C. Castro, Arvid Boe, and D. K. Lee

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Soil Organic Carbon Maintenance Requirements and Mineralizatyion Rate Constants: Site Specific Calculations, David Clay, Gregg Carlson, and Sharon Clay

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Maximizing Nutrient Efficiency Through the Adoption of Management Practices that Maintain Soil Organic Carbon: Calculating Carbon Turnover Kinetics, David E. Clay, Gregg Carlson, and Sharon A. Clay

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GIS Applications in Agriculture, Volume Three, Sharon Clay

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Nitrogen and Water Stress Affect Winter Wheat Yield and Dough Quality, Tulsi P. Kharel, David E. Clay, Sharon A. Clay, Dwayne Beck, Cheryl L. Reese, Gregg Carlson, and Hyejin Park

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Influence of Manure from Pigs Fed Chlortetracycline as Growth Promotant on Soil Microbial Community Structure, Kelly Lehnert Nelson, Volker S. Brozel, Susan Gibson, Robert Thaler, and Sharon A. Clay

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Production, Economic, and Energy Life Cycle Analysis Can Produce Contrary Results for Corn Used in Ethanol Production, Francisco Mamani-Pati, David E. Clay, Gregg Carlson, and Sharon A. Clay

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Preventing Saltcedar (Tamarix spp.) Seedling Establishment in the Northern Prairie Pothole Region, Michelle K. Ohrtman, Sharon A. Clay, David E. Clay, Eric M. Mousel, and Alexander J. Smart

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Determination of Environmental Impacts of Antimicrobial Usage for US Northern Great Plains Swine-production Facilities: a Life-cycle Assessment Approach, James A. Stone, Katherine A. Aurand, Christopher R. Dollarhide, Ramith Jinka, Robert C. Thaler, David Clay, and Sharon Clay

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Land Application of Tylosin and Chlortetracycline Swine Manure: Impacts to Soil Nutrients and Soil Microbial Community Structure, James J. Stone, Erin K. Drels, Christopher D. Lupo, and Sharon A. Clay

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Impact of Chlortetracycline on Sequencing Batch Reactor Performance for Swine Manure Treatment, James J. Stone, Aaron S. Oswald, Christopher D. Lupo, Sharon A. Clay, and Henry V. Mott

Increasing Native Warm-Season Grass Biomass Utilizing Fire, Nitrogen, and Herbicide, S. Waughtel, Sharon A. Clay, Alexander Smart, David E. Clay, and L.C. Schleicher

Submissions from 2010

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Environmental Implications of the Land Application of Manure Containing Antimicrobials Tyosin and Chlortetracycline, Erin Dris, James Stone, Christopher Lupo, and Sharon Clay

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Investigation of the Transcriptome of Prairie Cord Grass, a New Cellulosic Biomass Crop, Kristene Gedye, Jose Gonzalez-Hernandez, Yuguang Ban, Xijin Ge, Jyothi Thimmapuram, Fengjie Sun, Chris Wright, Shahjahan Ali, Arvid Boe, and Vance Owens

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Nitrogen Rate, Landscape Position, and Harvesting of Corn Stover Impacts on Energy Gains and Sustainability of Corn Production Systems in South Dakota, F. Mamani-Pati, D. E. Clay, C. G. Carlson, S. A. Clay, G. Reicks, and K. Kim

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Non-isotopic and 13C Isotopic Approaches to Calculate Soil Organic Carbon Maintenance Requirement, Francisco Mamani Pati Mamani Pati, David E. Clay, Gregg Carlson, and Sharon A. Clay

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Symptoms, Distribution and Abundance of the Stem-Boring Caterpillar, Blastobasis repartella (Dietz), in Switchgrass, Jarrad R. Prasifka, Jeffrey D. Bradshaw, Arvid A. Boe, DoKyoung Lee, David Adamski, and Michael E. Gray

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Nitrogen and Water Stress Impacts Hard Red Spring Wheat (Triticum aestivum) Canopy Reflectance, Cheryl L. Reese, Daniel Long, David Clay, Sharon Clay, and Dwayne Beck

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GC‐Clamp Primer Batches Yield 16S rRNA Amplicon Pools with Variable GC Clamps, Affecting Denaturing Gradient Gel Electrophoresis Profiles, Elizabeth A. Rettedal, Sharon Clay, and Volker S. Brozel

Effects of burning, intensive clipping, and late season nitrogen application in the northern tallgrass prairie, Alexander Smart, Eric Mousel, Sharon Clay, and David Clay

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LIfe Cycle Assessment of Tylosin and Chlortetracycline Antimicrobial USe at Swine Production Facilities, James Stone, Katie Aurand, Christopher Dollarhide, Ramitha Jinka, Robert Thaler, David Clay, and Sharon Clay

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Tylosin and Chlortetracycline Effects During Swine Manure Digestion: Influence of Sodium Azide, James J. Stone, Sharon A. Clay, and Garth M. Spellman

Submissions from 2009

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Morphology and Biomass Production of Prairie Cordgrasson Marginal Lands, A. Boe, V Owens, J. Gonzalez-Hernandez, J. Stein, D. K. Lee, and B. C. Koo

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Morphology and Genetics of Biomass in Little Bluestem, Arvid Boe and Robin Bortnem

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Corn Response to Competition: Growth Alteration vs. Yield Limiting Factors, Sharon A. Clay, David E. Clay, D. P. Horvath, J. Pullis, C. Gregg Carlson, Stephanie A. Hansen, and Graig Reicks

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VitisNet: ‘‘Omics’’ Integration through Grapevine Molecular Networks, Jerome Grimplet, Grant R. Cramer, Julie A. Dickerson, Kathy Mathiason, John Van Hemert, and Anne Y. Fennell Dr

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Chlortetracycline and Tylosin Runoff From Soils Treated with Antimicrobial Containing Manure, A. Hoese, S. A. Clay, D. E. Clay, J. Oswald, T. Trooien, R. Thaler, and C.G. Carlson

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Biomass and Seed Yields of Big Bluestem, Switchgrass, and Intermediate Wheatgrass in Response to Manure and Harvest Timing at Two Topographic Positions, DoKyoung Lee, Vance N. Owens, Arvid Boe, and Bon-Cheol Koo

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Alteration of the Ileal Microbiota of Weanling Piglets by the Growth-Promoting Antibiotic Chlortetracycline, Elizabeth Rettedal, Sebastien Vilain, Stacy Lindblom, Kelly Lehnert, Clay Scofield, Sajan George, Sharon Clay, Radhey Kaushik, Artur J.M. Roda, David Francis, and Volker Brozel

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Effect of Antimicrobial Compounds Tylosin and Chlortetracycline During Batch Anaerobic Swine Manure Digestion, James J. Stone, Sharon A. Clay, Zhenwei Zhu, Kwog L. Wong, Laura R. Porath, and Garth M. Spellman

Submissions from 2008

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Do Synergistic Relationships between Nitrogen and Water Influence the Ability of Corn to Use Nitrogen Derived from Fertilizer and Soil?, Ki-In Kim, David E. Clay, C. G. Carlson, S. A. Clay, and T Trooien

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Do Synergistic Relationships between Nitrogen and Water Influence the Ability of Corn to Use Nitrogen Derived from Fertilizer and Soil?, Ki-In Kim, D. E. Clay, C.G. Carlson, S. A. Clay, and T. Trooien

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Manure Placement Depth Impacts on Crop Yields and N Retained in Soil, M. Reiman, D. E. Clay, C. G. Carlson, S. A. Clay, G. Reicks, D. W. Clay, and D. E. Humberg

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Manure Placement Depth Impacts on Crop Yields and N Retained in Soil, M. Reiman, D. E. Clay, . G. Carlson, S. A. Clay, G Reicks, D. W. Clay, and D. E. Humburg

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Early Season Weed Suppression in Buckwheat Using Clopyralid, Ona Sakaliene, Sharon A. Clay, William C. Koskinen, and Gediminas Almantas

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Early Season Weed Suppression in Buckwheat Using Clopyralid, Ona Sakaliene, Sharon A. Clay, William C. Koskinen, and Gediminas Almantas

Submissions from 2007

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Genetic Variation for Biomass Production in Prairie Cordgrass and Switchgrass, Arvid A. Boe and D. K. Lee

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Detecting Weed Infestations in Soybean Using Remote Sensing., S. A. Clay, J. Chang, D. E. Clay, and K. Dalstead

Pesticide Contamination: Surface Water, Sharon A. Clay

Using Cotton (Gossypium hirsutum) Microarrays to Investigate Velvetleaf (Abutilon theophrasti) Response to Corn Competition, Sharon Clay, David Horvath, and Danny Llewellyn

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Heterologous Hybridization of Cotton Microarrays with Velvetleaf (Abutilon theophrasti) Reveals Physiological Responses Due to Corn Competition, David P. Horvath, Danny Llewellyn, and Sharon A. Clay

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Heterologous Hybridization of Cotton Microarrays with Velvetleaf (Abutilon theophrasti) Reveals Physiological Responses Due to Corn Competition, David P. Horvath, Danny Llewellyn, and Sharon A. Clay

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Understanding N Mass Balance in a Long-Term Production Fields Using Various Tools, Ki-In Kim, David E. Clay, Gregg Carlson, and Sharon Clay

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Developing Productivity Zones from Multiple Years of Yield Monitor Data, Jonathan Kleinjan, David E. Clay, C. Gregg Carlson, and Sharon A. Clay

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Detecting Shifts in Soil Microbial Community Structure and Function Post Landspread of Manure or Biosolids Containing Antimicrobial Chemicals, Kelly Lehnert, Sharon A. Clay, Susan Gibson, and Volker Brozel

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Nitrogen and Water Stress Impact on Hard Red Spring Wheat Crop Reflectance, Yield and Grain Quality, C. L. Reese, D. Clay, D. Beck, S. A. Clay, and G. Seielstad

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Common Waterhemp Growth and Fecundity as Influenced by Emergence Date and Competing Crop, E. Uscanga-Mortera, S. A. Clay, F. Forcella, and J. Gonsolus

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Common Waterhemp Growth and Fecundity as Influenced by Emergence Date and Competing Crop, E. Uscanga-Mortera, S. Clay, F. Forcella, and J. Gunsolus

Submissions from 2006

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Site-Specific Management from a Cropping System Perspective, David E. Clay, Sharon A. Clay, and Gregg Carlson

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Theoretical Derivation of Stable and Nonisotopic Approaches for Assessing Soil Organic Carbon Turnover, D. E. Clay, C. G. Carlson, S. A. Clay, C. Reese, Z. Liu, J. Chang, and M. M. Ellsbury

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Theoretical Derivation of Stable and Nonisotopic Approaches for Assessing Soil Organic Carbon Turnover, D. E. Clay, C.G. Carlson, S. A. Clay, C. Reese, Z. Liu, J. Chang, and M. M. Ellsbury

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Characterizing Water and Nitrogen Stress in Corn Using Remote Sensing, D. E. Clay, Ki-In Chang, J. Chang, and K. Dalsted

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Influence of Yellow Foxtail on Corn Growth and Yield, S. A. Clay, K. R. Banken, F. Forcella, M. M. Ellsbury, D. E. Clay, and A. E. Olness

The Influence of Antimicrobial Chemicals on Soil and Herbicide Degrading Bacteria, S. A. Clay, S. Gibson, V. Brozel, and A. Hoese

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Tylosin Sorption to Silty Clay Loam Soils, Swine Manure, and Sand, S. A. Clay, Z. Liu, R. Thaler, and H. Kennouche

Physiological Response of Maize Grown with Velvetleaf using Microarray Analysis, Sharon A. Clay, David Horvath, and Robert Gulden

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Spatial Distribution, Temporal Stability, and Yield Loss Estimates for Annual Grasses and Common Ragweed (Ambrosia artimisiifolia) in a Corn/Soybean Production Field Over Nine Years, Sharon A. Clay, Bruce Kreutner, David E. Clay, Cheryl Reese, Jonathan Kleinjan, and Frank Forcella

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Spatial Distribution, Temporal Stability, and Yield Loss Estimates for Annual Grasses and Common Ragweed (Ambrosia artimisiifolia) in a Corn/Soybean Production Field Over Nine Years, Sharon A. Clay, Bruce Kreutner, David E. Clay, Cheryl Reese, Jonathan Kleinjan, and Frank Forcella

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Microarray Analysis of Late-season Velvetleaf (Abutilon theophrasti) Effect on Corn, David P. Horvath, Robert Gulden, and Sharon A. Clay

A Better Understanding on How Soils and Water Interact to Influence N Responses, Ki-In Kim, David Clay, Gregg Carlson, and Sharon Clay

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Sorption-desorption of Imidacloprid and its Metabolites in Soil and Vadose Zone Materials, Sharon V. Papiernik, William C. Koskinen, Lucia Cox, Pamela J. Rice, Sharon A. Clay, Nancy R. Werdin-Pfisterer, and Kristen A. Norberg

Submissions from 2005

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Clouds Influence Precision and Accuracy of Ground‐based Spectroradiometers, Jiyual Chang, Sharon A. Clay, David E. Clay, David Aaron, Dennis Helder, and Kevin Dalsted

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Soil Organic Carbon Maintenance in Corn (Zea mays L.) and Soybean (Glycine max L.) as Influenced by Elevation Zone, David E. Clay, Gregg Carlson, Sharon Clay, J. Chang, and D. D. Malo

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13C Discrimination in Corn Grain Can Be Used to Separate and Quantify Yield Losses Due to Water and Nitrogen Stresses, David E. Clay, Sharon A. Clay, Drew J. Lyon, and Juerg M. Blumenthal

Characterizing Water and N Stress in Corn Using Remote Sensing., David Clay, Ki-In Kim, J. Chang, and S. Clay

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Can 13C Discrimination in Corn (Zea mays) Grain be Used to Characterize Intra-plant Competition for Water and Nitrogen, D. E. Clay, S. A. Clay, Drew J. Lyon, and Juerg M. Blumenthal

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Growth and Fecundity of Several Weed Species in Corn and Soybean, S. A. Clay, J. Kleinjan, D. E. Clay, F. Forcella, and W. Batchelor

The Influence of Shade on Corn and Velvetleaf, Sharon A. Clay, Jon Kleinjan, David E. Clay, Zhoujing Liu, and John Pulls

Within-field Spatial Variation of Northern Corn Rootworms, Michael Ellsbury, Sharon Clay, David Clay, and Douglas Malo

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Interactions Among Western Corn Rootworm (Coleoptera: Chrysomelidae), Yellow Foxtail, and Corn, M. M. Ellsbury, K. R. Banken, S. A. Clay, and F. Forcella

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The Influence of Antimicrobial Chemicals on Herbicide Degrading Organisms, Aaron Hoese, Susan Gibson, Volker Brozel, and Sharon A. Clay

Yield Environment Influence on N Response, Ki-In Kim, David Clay, Gregg Carlson, and Sharon Clay

Submissions from 2004

Soybean Foliage Residues of Dicamba and 2, 4-D and Correlation to Application Rates and Yield, Shane M. Anderson, S. A. Clay, L. J. Wrage, and D. Matthees

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Defining Yield Goals and Management Zones to Minimize Yield and Nitrogen and Phosphorus Fertilizer Recommendation Errors, Jiyul Chang, David E. Clay, Charles G. Carlson, Cheryl L. Reese, Sharon A. Clay, and Mike M. Ellsbury

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Detecting Weed-free and Weed-infested Areas of a Soybean Field Using Near-infrared Spectral Data, Jiyul Chang, Sharon A. Clay, David E. Clay, and Kevin Dalsted

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Bromide and Nitrate Movement Through Undisturbed Soil Columns, D. E. Clay, Z. Zheng, Z. Liu, and T. P. Trooien

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Development of a Method for Evaluating the Yield Goal Approach, K. Kim, D. E. Clay, C. G. Carlson, and S. A. Clay

Submissions from 2003

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Different Techniques to Identify Management Zones Impact Nitrogen and Phosphorus Sampling Variability, Jiyul Chang, David E. Clay, Charles G. Carlson, Sharon A. Clay, Douglas D. Malo, Robert Berg, Jon Kleinjan, and William Wiebold

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Corn (Zea mays L.) Yield Prediction Using Multispectral and Multidate Reflectance, Jiyul Chang, David E. Clay, Kevin Dalsted, Sharon Clay, and Mary O' Neill

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Carbon-13 Discrimination Can be Used to Evaluate Soybean Yield Variability, D. E. Clay; S. A. Clay; J. Jackson; K. Dalsted; C. Reese; Z. Liu; D. D. Malo; and C. G, Carlson

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Field Processes and Applications-15 Comparison of Atrazine and Alachlor Sorption, Mineralization, and Degradation Potential in Surface and Aquifer Sediments, Sharon A. Clay, David E. Clay, and Thomas B. Moorman

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Effect of Variability of Soil Properties as a Function of Depth on Pesticide Sorption-Desorption, Sharon A. Clay and William C. Koskinen

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Atrazine Sorption and Desorption as Affected by Aggregate Size, Particle Size, and Soil Type, Thomas M. DeSutter, Sharon A. Clay, and David E. Clay

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Characterization of Soybean Yield Variability Using Crop Growth Models and 13C Discrimination, Joel O. Paz, William D. Batchelor, David E. Clay, Sharon A. Clay, and Cheryl Reese

Submissions from 2002

Discrimination and Remote Sensing can be Used to Evaluate Soybean Yield Variability, D. E. Clay, S. A. Clay, J. Jackson, K. Dalsted, C. Reese, Z. Liu, D. D. Malo, and C. G. Carlson

Banding of Pesticides, Sharon A. Clay

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Scouting for Weeds, Sharon Clay and Gregg Johnson

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Spatial Variability of Atrazine and Alachlor Efficacy and Mineralization in an Eastern South Dakota Field, Zhuojing Liu, Sharon A. Clay, and David E. Clay

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The Impact of Intercropping Annual ‘Sava’snail Medic on Corn Production, Hugh Smeltekop, David E. Clay, and Sharon A. Clay

Submissions from 2001

Genetic Variation in Aphthona nigriscutis Foudras (Coleoptera: Chrysomelidae) Populations Introduced into the United States to Biologically Control Leafy Spurge, Mark A. Brnkman, Tracie A. Jenkins, Nels H. Granholm, and Sharon A. Clay

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Factors Influencing Spatial Variability of Soil Apparent Electrical Conductivity, D. E. Clay, J. Chang, D. D. Malo, C. G. Carlson, C. Reese, S. A. Clay, M. Ellsbury, and B. Berg

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Spatial Variability of 13C Isotopic Discrimination in Corn, D. E. Clay, S. A. Clay, Z. Liu, and C. Reese

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Herbicide Concentration and Dissipation from Surface Wind-erodible Soil, Sharon A. Clay, Thomas M. DeSutter, and David E. Clay

Vertical Accuracy of Two Differentially Corrected Global Positioning Satellite Systems, D. P. Johnson, D. E. Clay, C. G. Carlson, K. W. Strange, S. A. Clay, and D. D. Malo

Submissions from 2000

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Precision Farming Protocols. Part 2. Comparison of Sampling Approaches for Precision Phosphorus Management, David E. Clay, Jiyul Chang, C. Gregg Carlson, Doug Malo, Sharon A. Clay, and Mike Ellsbury

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Herbicide Movement and Dissipation at Four Midwestern Sites, S. A. Clay, R. H. Dowdy, J. A. Lamb, J. l. Anderson, B. Lowery, R. E. Knight, and D. E. Clay

Herbicide Management to Maintain Environmental Quality, Sharon Clay

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Herbicide Management to Maintain Environmental Quality: Lessons to be Learned from North American herbicide Management Practices, Sharon A. Clay

Use of GIS/GPS Systems in IPM: Progress and Reality, M. M. Ellsbury, S. A. Clay, S. J. Fleischer, L. D. Chandler, and S. M. Schneider