This community contains the theses and dissertations of the South Dakota State University, Department of Agronomy, Horticulture, and Plant Science.
Due to copyright restrictions, the collection contains both open access and university access theses and dissertations. University access items are only available to SDSU users, and on-campus visitors. Non-SDSU users wishing to access restricted materials may request items through their institution’s interlibrary loan services.
ETDS from 1998
ETDS from 1997
ETDS from 1995
Germination, Genetic Variation, and Phylogenetic Relationships Within and Among Populations of Echinacea Augustifolia, Seyed M. Javad Feghahati
Earthworms : Ecology and Impact on Agronomic Soils, Steven L. Venner
ETDS from 1993
Forage Yield and Quality of Cowpea and Millets Under Three Harvest Regimes in South Dakota, Manzoor Akbar
Modeling the Progress of Tan Spot on Wheat Using Weather Variables, Shaukat Ali
Isolation and Identification of Cold-Regulated cDNA Clones From Barley Primary Leaf Tissue, Li-Yun Chang
Management of a Subsurface Irrigation/Drainage System in Central South Dakota, Scott A. Finnern
The Impact of Band Nitrogen Fertilization on Soil Profile Inorganic Nitrogen Distributions and Sampling Procedures, P. W. Holman
Morphological and Carbon Isotope Discrimination Variation Within Creeping Foxtail Genotypes, Natalie Ann Jackson
Field Verification of the Barber-Cushman Nutrient Uptake Model for Corn (Zea Mays L.), Nora Rebano Macariola
Diurnal Osmotic Adjustment in Maize: Heritability and Relationships to Relative Water Content, Proline, and Drought Tolerance, James J. Wassom
ETDS from 1992
Effect of Management Practices on Vesicular-Arbuscular Mycorrhizal (VAM) Spore Distribution and Root Infection in Field-Grown Crops, Seetha Ananth
The Effects of Tillage Systems on Soil Properties and Productivity Across an Eroded Landscape After Long-Term Grass Management, Anthony Gerald Bly
Spring Wheat Varietal Differences to Trifluralin as Influenced by Selected Postemergence Herbicides, James F. Gaffney
Rhizosphere Variation in pCO2, pH and pe in Relation to Nutrient Uptake, Hero T.M. Gollany
Spatial Variability of Soil Nitrate on an Eastern South Dakota Landscape, John Marshall Maursetter
Multiple Forms of Ribonuclease and Freeze Resistance in Winter Barley, Lynda L. Solberg
Combined Half-Sib and S, Recurrent Selection for Drought Tolerance in a Maize (Zea mays L.) Population, Gilberto Sosa-Dominguez
ETDS from 1991
Biology and Population Dynamics of Fusarium oxysporum and Pythium ultimum in Soybean, Colette M-S Beaupré
Mycorrhizal Fungi and Nitrogen Transfer in Maize/Legume Intercropping, Kalyn A. Brix-Davis
Phosphorous and Temperature Effects on Nodal and Seminal Root Morphology of Two Maize Genotypes, Mohammad Ali Hajabbasi
Effects of Pollen on the Kernel and Ear Weight of Maize (Zea mays, L.), A. Kadir Kiran
Volatilization Losses of Granular Formulations of Chlorethoxyfos and Terbufos From Soil, Todd Michael Landsman
Influence of Formulation on the Persistence, Infiltration, and Volatility of Alachlor in Tilled and No-Till Systems, Brian Nelson
Responses of Maize (Zea mays L.) Morphotypes and Groundnut (Arachis hypogaea L.) to Intercropping in Northwestern Cameroon, Edward N. Ngong-Nassah
The Number of Plant Samples Needed and Sources of Variability for Plant Nutrient Analysis for Corn and Soybean, Elham Nassib Tomeh
ETDS from 1990
Nitrogen Rate, Form and Timing Effects on Three Cultivars of Hard Red Spring Wheat, Ruth Beck
Chemical Control of Companion Crops in Alfalfa Establishment, Bill Stuart Curran
Effects of Herbicides on Oats, Lon A. Hall
The Water Quality and Soil Genesis Around Native Prairie Potholes in Deuel County, South Dakota, James B. Millar
Understory Production and Plant Nitrogen on Limestone Soils in the Black Hills of South Dakota, Mary Ellen Rasmussen
Influence of Medium Calcium on Blackleg Severity in Potato Tissue Culture Plantlets, Catherine Skroch
ETDS from 1989
Evaluation of Single, Backcross and Three Way Crosses to Introduce Non-adapted Germplasm into Adapted Spring Wheat, Jorge Enrique Autrique
Northern and Western Corn Rootworm (Coleoptera: Chrysomelidae) : Flight Activity and Oviposition Behavior in Corn and Nonhost Plant Habitats, Mark A. Boetel
Stand Establishment and Production of Alfalfa Cultivars in Legume Residues, Robin Renae Bortnem
Mapping Components of Partial Resistance to Northern Corn Leaf Blight, Vickie Brewster
Allelopathic Effect of Crop Residue Extract on Oat (Avena sativa L.), Mark Joseph Brinkman
The Effect of Flooding and Ethephon on Root Bud Growth of Euphorbia Esula, Scott Greenfield
The DRIS (Diagnosis and Recommendation Integrated System) as a Plant Analysis Interpretation Tool for Corn Management in South Dakota, Syed Dara Tazul Islam
Evaluation of Two Cycles of Mass Selection for Percent Oil in SDHAR1 Sunflower Restorer Population, James Michael Johnson
The Influence of Weather Factors Upon the Predictability of Oat Yield and Related Factors, Sapol Bahari Jusman
Effects of Various Stresses on Single Seed Descent in Oats Avena Sativa L., Omar M. Kafawin
Effects of KC1 on Reproductive Development and Water Relations in Spring Wheat, Adrian L. Kooiman
Effects of Barley Yellow Dwarf and Aphid Feeding on Winter Wheat and Rye, Benjamin Moreno
Evaluation of Closely Related Corn Hybrids for Tolerance and Resistance to Two Vascular Pathogens and a Foliar Pathogen, Franklin W. Philips
Factors Influencing Grasshopper Oviposition Site Selection on South Dakota Rangelands, Paul D. Pooler
Genotype X Environment Interactions for Five Corn (Zea mays L.) Populations Synthesized on the Basis of Seedling Root Morphology, Hidayat- ur- Rahman
Use of a Water Jacketed Incubator as an Accelerated Aging Chamber for Determining Soybean (Glycine max (L.) Merrill) Seed Vigor, James Walter Schneider
Pedogenesis Models of a Closed Drainage System Using Soil Micro-Climate Data, Gail M. Simonds
Cropping System Effects on Soil P Availability to Corn, Manjula Vivekanandan
Differentiation Patterns in Cultured Inflorescences and Anthers of Selected Forage Grasses, Kangsheng Yao
Development of an Integrated Phosphorus Recommendation System I : The Development of a Mathematical Nutrient Uptake Model, Hector Ybanez
ETDS from 1988
Subsoil Nutrient Levels, Soil Genesis, and Soil Classification in Selected Northeastern (MLRA 102A) South Dakota Soils, Kent Evert Cooley
Incidence of Fusarium Wilt of Flax Influenced by Biotic and Abiotic Factors, Aly Abd El-Hady Aly
Control of Yellow Foxtail Postharvest in Small Grain, Reed Eugene Froseth
Response of Oat to Chloride Fertilization, Paul E. Gaspar
Inheritance of Nine Enzyme Loci in Sunflower (Helianthus Annuus l.) and Estimates of Outcrossing Rates in Helianthus Germplasm Pool II, James Todd Gerdes
Quantitative Genetic Analysis of Stalk Quality Characteristics in a Corn Synthetic, Maria Magdalena Held
Forage Potential of Seasonal Wetlands, Daniel Edward Hubbard
Tillage and Landscape Position Effects on Soil Properties and Crop Production, Bhairav Raj Khakural
The Effect of Application Variables on Tank Mixtures of Quizalofop and Bentazon, Eirc L. Larson
Denitrification and Tillage Relationships on Two Eastern South Dakota Soils, Theresa Helen Lemme
Reforms of the U.S. Banking System, Monica Shun-oi Lun
Residual Effects of Chloride Fertilization on Selected Plant and Soil Parameters, William Karl Schumacher
Control of Downy Brome with Combinations of BAY-SMY-1500 and Metribuzin, James R. Smart
Means and Variances of Early Generation Bulked Populations in Spring Wheat as Predictors of Derived Line Performance, Zahoor A. Swati
In Vitro Rescue of Helianthus Annuus Embryos by Ovule Culture, John C. Volin
ETDS from 1987
Impact of Ponderosa Pine Thinning and Slash Management on the Herbage Production of Selected Soils in Custer State Park, Kelly John Bopray
Factors Influencing Grey Seed Weevil Smicronyx Sordidus (LeC.) (Coleoptera: Curculionidae) Infestation and Survival, Matthew E. Byers
Studies on the Sterile-Insect Technique as a Means of Controlling the Stable Fly, Stomoxys Calcitrans (L.), in a Beef Cattle Feedlot in Brookings, South Dakota, Michael Aguilar Catangui
A Comparison of Osmotic Adjustment and Activity of Cell Wall Associated Enzymes During Short-term Drought in Winter Wheat, Russell William Gesch
Soil Degradation Comparisons of Corn Rootworm Insecticides in the Field and Laboratory, Michael J. Haas
Effect of Residue and Tillage on Hard Red Spring Wheat Cultivars, Elaine M. Hall
Factors Affecting the Use of Herbicides in Conservation Tillage, Pamela J. Hutchinson
Variability in Rhizoctonia Solani Kühn Pathogenic on Flax, Nallathamby Kangatharalingam
Influence of Early Season Temperatures on the Relative Leaf Expansion Rate of Corn, Jody L. Ohmacht
Detection and Description of Sulfonylurea Herbicide Breakdown in Soil, Mark A. Peterson
Determining Green Needlegrass (Stipa viridula Trin.) Seed Germination and Viability, Alan Lee Rubida
Chronosequence of Terrace Soils in Western South Dakota, Stephen George Wangemann
Agroecological Studies of Beckmannia Syzigachne Populations, Richard L. Wynia
ETDS from 1986
Growth and Development of Oat (Avena sativa L.) Cultivars in Response to Water Stress, Abdel-Fattah H. Belal
Effects of Prairie Dogs on Mound Soils, Daniel C. Carlson
Response of South Dakota Adapted Sorghum Cultivars to Maize Dwarf Mosaic Virus Strains A and B, Chang Won Choi
Technology and Economics of Commercial Scale Ethanol Production From Fodder Beets, William Ray Gibbons
The Effects of Erosion and Desurfacing on Soil Properties and Productivity of a Typic Haplustoll, Hero T. M. Gollany
Postmergence Grass Control in Soybean Using Diclofop-methyl, Difenopenten and Sethoxydim, Jim Klauzer
Differential Responses of Oat Varieties to 2, 4-D Amine and MCPA Amine, James William Lammers. Lammers
Effects of EPTC and Acifluorfen on Sunflower, Mark E. Law
Seal Development and Infiltration as Affected by Rainfall Kinetic Energy, Deah Abed Mahamad
Environmental Influences on Root Morphology and Development of Desi and Kabuli Chickpea (Cicer arietinum L.), Gasenone Seja Ma Maphanyane
Predicted Response to S1 Selection for Agronomic and Disease Resistance Traits in Two Sunflower Populations, Syed Sadaqat Mehdi
Impact of European Corn Borer on Grain and Silage Corn in South Dakota, Brian R. Mueller
The Relationship Between Reciprocal Spring by Winter Wheat Crosses and the Contribution of Their Parents to Hybrid Performance, George Warren Partelow
Modeling of Soil Water Flow and Root Uptake, V. Rasiah
The Effect of Soil Storage Methods and Soil Microbes on Carbofuran and Terbufos Degradation, Muriel Monteleone Runholt
Genetics of Flower Abortion and Pod Type in Soybean, Krishna P. Sharma