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Theses/Dissertations from 2017

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Soy Biocomposite Turfgrass Fertilizer, Jake Behrens

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Systematic analysis of industry engagement activities on student learning in the undergraduate technology program, Caleb Burns

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Sustainability analysis of soybean refinery: soybean oil extraction process, Ming-Hsun Cheng

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Modeling long-term impacts of alternative subsurface drainage systems and quantifying impacts of cover crops, Kristina Jo Craft

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Climate dependent heat stress mitigation modeling for dairy cattle housing, Katlyn Renea DeVoe

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Assessment of ethanol production by pentose-degrading yeasts in an integrated corn-soy bio-refinery and testing of efficacy of chemical preservatives in distillers wet grains, Varsha Gaonkar

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Analysis of six monthly distribution system for food grains in the public distribution system of Punjab, India: A beneficiary's perspective, Abhay Kumar Grover

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Moisture Sensing in Baled Crops, John Just

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Opportunities and challenges to use electrical stimulation for enhanced denitrification in woodchip bioreactors, Ji Yeow Law

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Analysis of workers' compensation claims data for improving safety outcomes in agribusiness industries, Sai Kumar Ramaswamy

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Simple and accurate quantification of odorous volatile organic compounds in air with solid phase microextraction and gas chromatography - mass spectrometry, Madina Tursumbayeva

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Quantifying the impacts of a winter cereal rye cover crop and no-till on soil moisture, soil temperature, and nitrate loss via subsurface drainage, Emily Rose Waring

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Monitoring of antibiotics and Atrazine in tile drained Landscapes., Maurice Taylor Washington

Theses/Dissertations from 2016

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Laboratory and field-scale studies of corn stover degradation, and implications for feedstock cost to lignocellulosic biorefineries, Rachel Anne Bearden

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Development of a remote sensing protocol for inventorying cover crop adoptions, Carolina Bermudez

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Analysis of post-harvest handling of corn stover and corn, Xiong Cao

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Plants Detection, Localization and Discrimination using 3D Machine Vision for Robotic Intra-row Weed Control, Jingyao Gai

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Life-cycle assessment, techno-economic analysis, and statistical modeling of bio-based materials and processes, Randall A. Haylock

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Evaluation and prediction of hydrology and nitrate-nitrogen transport in tile-drained watersheds, Charles David Ikenberry

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Properties of feed ingredients and extrudated products, Xin Jiang

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Experimental approach to determine the efficacy of a tine mechanism for auto weeding machine, Jafni Bin Johari Jiken

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Optimization and cost analysis of lignocellulosic biomass feedstocks supply chains for biorefineries, Ambika Karkee

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Hydraulic system modeling and optimization to achieve performance characteristics, Kathryn Kline

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Evaluation of resultant pellet quality and low temperature closed-cycle grain drying system, Mingjun Ma

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Equivalency of near infrared transmission instruments for grain analyzers, Samantha Elizabeth McGinnis

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Evaluation of physiochemical properties and applications of grain flour, Chinwendu Felicia Ozoh

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A risk assessment model to measure the difference in worker injury risk between corn and biofuel switchgrass production systems, Saxon James Ryan

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Development of a mobile robotic phenotyping system for growth chamber-based studies of genotype x environment interactions, Dylan Shah

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Chemical constituency and odor of semiochemicals: Studying the chemical composition and odor of volatile organic compounds of great cat marking fluid in an effort to aid tiger and lion conservation, Simone Bianca Soso

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Assessing and controlling bio-deterioration of maize in Tanzania, Rashid Ali Suleiman

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Long term effect of poultry manure application on water quality, yield under a corn-corn system in Iowa, Chenkai Wu

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Analysis study of whole stillage, thin stillage and syrup, Lu Yang

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Exploration of Ion Species in Agricultural Subsurface Drainage Waters, Brett Zimmerman

Theses/Dissertations from 2015

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The effects of high power ultrasonic energy on milk plasmin activity, Cindu Annandarajah

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Hydrological impacts of microwatersheds in the Des Moines Lobe, Ligia De Oliveira Serrano

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Effects of tissue fixation on Raman spectroscopic characterization of retina, Shaowei Ding

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Development and optimization of biofilm based algal cultivation, Martin Anthony Gross

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Understanding the thermochemical conversion of biomass to overcome biomass recalcitrance, Kwang Ho Kim

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Impacts of poultry manure application on bacteria and phosphorus in soils and drainage tile-waters, Claire Elise Klimala Hruby

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In-plant validation of an ethanol yield prediction equation, Megan Korte

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Development of dielectric spectroscopic sensor for contaminant detection in a hydraulic fluid and a compressed air stream, Safal Kshetri

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Bacterial, particulate, and environmental factors driving E. coli attachment, Xiao Liang

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Development of a robotic platform for maize functional genomics research, Hang Lu

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Moisture content and bulk density prediction using dielectric properties for switchgrass and corn stover, Augusto César Magalhães De Souza

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Development of a specialty crop harvesting system, Brian Joseph McEvoy

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Analysis of fractionation in corn-to-ethanol plants, Camille Kelly Nelson

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Optimizing the value of manure nutrients through testing and treatment, Kelsey B. Regan

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Investigating the aroma of marijuana, cocaine, and heroin for forensic applications using simultaneous multidimensional gas chromatography - mass spectrometry - olfactometry, Somchai Rice

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Effects of drainage water management in Southeast Iowa, Linda Rae Schott

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Agriculture spray wind velocity measurements and predictions, Matthew W. Schramm

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Using ArcGIS hydrologic modeling and LiDAR digital elevation data to evaluate surface runoff interception performance of riparian vegetative filter strip buffers in central Iowa, Manish Shrivastav

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A study of safety climate and employees' trust of their organizational leadership in university research laboratories, Stephen Albert Simpson

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Technoeconomic analysis of fermentative-catalytic biorefineries: model improvement and rules of thumb, Mothi Bharath Viswanathan

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A multiplex self-referencing detection of pathogens using surface enhanced raman scattering nanoprobes with a nano-DEP microfluidic concentrator, Chao Wang

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Life cycle assessment (LCA) and techno-economic analysis (TEA) of various biosystems, Kun Xie

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Analysis and modeling of agricultural processing with regard to grain post-harvest handling and winemaking, Congmu Zhang

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Biological utilization of pyrolytic acetic acid for lipid-rich algal biomass production: substrate detoxification, inhibition mechanism, and fermentation optimization, Xuefei Zhao

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Exploring the relationship between attachment and antibiotic resistance of Escherichia coli from swine manure, Martha Reye Zwonitzer

Theses/Dissertations from 2014

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Study of mechanical and thermal properties of soy flour elastomers, Kendra Allen

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Pesticide retention by buffer strips receiving simulated runoff containing different sized sediment, Kapil Arora

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Automated logistic processing and downtime analysis of commercial level multi-pass corn stover harvesting systems, Jeff C. Askey

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Pesticide free methods of maize weevil control in stored maize for developing countries, Denis Bbosa

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Utilization of durian biomass for biorenewable applications, Ahmad Safuan Bin Bujang

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Assessing monitoring and modeling approaches to improve water quality in the Hickory Grove Lake, Rohith Gali

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Statistical analysis of multiple hydrostatic pump flow loss models, Samuel Jason Hall

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Mechanism for compaction and densification of large stover modules, Ann Klein

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Assessing engineering students' demonstration of workplace competencies in experiential learning environments through internships and cooperative work experiences, Mark A. Laingen

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3D machine vision system for robotic weeding and plant phenotyping, Ji Li

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Fate and transport of antibiotic resistant bacteria and resistance genes in artificially drained agricultural fields receiving swine manure application, Elizabeth Luby

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Soil ozonation as a sustainable alternative to methyl bromide fumigation and synthetic pesticides, Nahed Msayleb

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Impact of sampling interval on GIS data based productivity calculations and optimal configuration and lead time of corn stover biomass harvesting teams, Levi Powell

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Pre-professional perceptions of safety and quality concerns in agricultural work environments, Sai Kumar Ramaswamy

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Analysis of a combine grain yield monitoring system, Nathan William Risius

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Agronomic impacts of production scale harvesting of corn stover for cellulosic ethanol production in Central Iowa, Dustin John Schau

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Environmental assessment and control towards improved swine breeding-gestation-farrowing operation in the Midwestern United States, John Stinn

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Investigating the causes of foam formation in deep pit swine manure storages, Mark Benjamin Van Weelden

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Classical gully spatial identification and slope stability modeling using high-resolution elevation and data mining technique, Laurimar Gonçalves Vendrusculo

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Measuring difference in knowledge achievement and satisfaction between viewing interactive and linear online learning modules, Linda Christine Weldon

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Evaluation of low-moisture anhydrous ammonia (LMAA) pretreatment method of lignocellulosic biomass for bioethanol production, Minliang Yang

Theses/Dissertations from 2013

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A new paradigm in teaching large engineering mechanics courses, Anne (Peggy) C. Boylan-Ashraf

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Calibration optimization and efficiency in near infrared spectroscopy, Nanning Cao

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Development, validation, and use of a spreadsheet-based tool for early-stage technoeconomic evaluation of industrial biotechnologies, Joshua Thomas Claypool

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Assessment of utilization and downtime of a commercial level multi-pass corn stover harvesting systems, Benjamin Ross Covington

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Effects of perennial and cover crops on hydrology in Iowa, Ryan Goeken

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Using GIS and intelligent transportation tools for biomass supply chain modeling and cost assessment, Slobodan Gutesa

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Development of a corn stover yield monitor, Byron Manternach

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Development of a Specialty Crop Harvester and Separation System, Kevin Lee Muell

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Automated inter-plant spacing sensing of corn plant seedlings and quantification of laying hen behaviors using 3D computer vision, Akash Dev Nakarmi

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Process optimization: Ultrasonic welding of coextruded polymer film, Jessica Ann Riedl

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Techno-economic analysis and life cycle assessment of the corn stover biomass feedstock supply chain system for a Midwest-based first-generation cellulosic biorefinery, Ajay Shah

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Robust navigation control and headland turning optimization of agricultural vehicles, Xuyong Tu

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Raman spectroscopic characterization and analysis of agricultural and biological systems, Qi Wang

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Development and application of a rapid sampling technique for identification and quantification of compounds in high temperature process gas streams produced from biomass gasification and pyrolysis, Patrick John Woolcock

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Analysis of properties to Distillers Dried Grains with Solubles (DDGS) and using destoner and low moisture anhydrous ammonia (LMAA) to utilize DDGS, Weitao Zhang

Theses/Dissertations from 2012

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Evaluating solids, phosphorus, and nitrogen cycling and transport in vegetative treatment systems used for runoff control on beef feedlots, Daniel Steven Andersen

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Student professional development: Competency-based learning and assessment in an undergraduate industrial technology course, Jacqulyn Baughman

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Development of an Automated Mechanical Intra-Row Weeder for Vegetable Crops, Mohd Taufik Bin Ahmad

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Development of self selection torrefaction system, Jeremy Brue

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Investigation of turbulent multiphase flows in a flat panel photobioreactor and consequent effects on microalgae cultivation; using Computational Fluid Dynamics (CFD) simulation and Particle Image Velocimetry (PIV), Matteo Power del Ninno

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Applicability of MIKE SHE to simulate hydrology in heavily tile drained agricultural land and effects of drainage characteristics on hydrology, Andrew Steven Frana