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Theses/Dissertations from 2020

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Wireless sensors for quality monitoring and management of stored grain inventories, Guy Roger Aby

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Manufacture and characterization of natural fiber biocomposites for automotive application, Cindu Annandarajah

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Active air spring control as a method of agricultural sprayer boom system suspension, Kyle Blaylock

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NIR hyperspectral imaging for animal feed ingredient applications, Princess Tiffany Galaura Dantes

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Impact of boom height sensor placement and quantity on boom height error, Mark Deutsch

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Increased biosecurity in feed manufacturing through effective hydrothermal treatment and recontamination prevention during drying, cooling and handling, Michelle Ann Friedmann

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Determining the effects of tire pressure and soil condition on the Brixius equations for predicting net tractive force, Austin Robert Hamm

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Characterization of plant cell wall polysaccharides with surface enhanced Raman spectroscopic imaging, Qing He

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Degradation of sulfamethazine, tetracycline, and tylosin in prairie strip soils and row crop soils, Alyssa Iverson

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Study of soil-tine interaction for the application of automated mechanical weeder, Safal Kshetri

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Application of infrared light reflectance sensor for real-time ground based corn residue cover quantification, Jia Wen Lee

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Evaluation of swine gestation-farrowing facility space and management for improving production, welfare, and infectious disease containment, Suzanne M. Leonard

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Synthetic data generation for deep learning model training to understand livestock behavior, Armin Maraghehmoghaddam

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Evaluation of deep tillage remediation in a construction easement on soil compaction and crop yield, Erica Rae Neideigh

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Component analysis of fluid power hydraulics for self-propelled sprayer boom control, Jacob Rewerts

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Characterization of student strengths, leadership domains and student perceptions on success, Saxon Ryan

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Deep learning for land cover classification and environmental analysis using high-resolution remote sensing data, Vitor Souza Martins

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Physical disturbance as a non-chemical approach to control weevils in stored maize, Mike Sserunjogi

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Verification of a quantitative model to characterize granular flow - A measure of mixing of grain layers, Heather Hadassah Tenboer

Theses/Dissertations from 2019

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CAN bus technology for agricultural machine management research and undergraduate education, Firas Salim Al-Aani

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A study of soybean processing value maximization using selective handling strategies based on the analysis of soybeans received at Iowa elevators, Bennett Elizabeth Barr

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Evaluating the effectiveness of manure additives on mitigation of gaseous emissions from deep pit swine manure., Baitong Chen

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Controlling the deterioration of harvested grain/seed to improve food security, Bernard Darfour

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Modeling grain storage outflow contamination levels, based upon input time series, Anne E. Dohmen

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Segregation strategies for non-gm corn: Improving effectiveness through an analytical modeling approach, Chad Joseph Dolphin

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Simulation of soil-to-tool interaction using Discrete Element Method (DEM) and Multibody Dynamics (MBD) coupling, Sadaf Ghorbani

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Impacts of manure application timing and tillage practices on antibiotic resistant bacteria and genes in drainage water from manured fields, Hannah Elizabeth Guyer

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Electrical sensor development for the dielectric properties measurement and moisture content estimation of switchgrass and corn stover, Augusto Cesar Magalhaes de Souza

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Low moisture anhydrous ammonia (LMAA) pretreatment of lignocellulosic biomass and assessments for biobutanol production, Nazira Binti Mahmud

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Evaluation of biochar for mitigation of ammonia, hydrogen sulfide, odorous volatile organic compounds, and greenhouse gases emissions from swine manure, Zhanibek Meiirkhanuly

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Evaluation of biochar for mitigation of ammonia, hydrogen sulfide, odorous volatile organic compounds, and greenhouse gases emissions from swine manure, Zhanibek Meiirkhanuly

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Evaluating boom height control performance with variable boom roll damping in a suspended boom system on self-propelled sprayers, Evan Mellott

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Identification and analysis of worker safety hazards in Midwest agribusiness construction work sites, Nurhaizan Mohd Zainudin

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Physical characterization, calibration, and validation methodology for modeling of grains using Discrete Element Method (DEM), Mohammad Mousaviraad

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Comparative assessment of the economic and environmental impacts of food waste fermentation on value-added products, Noor Intan Shafinas Muhammad

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Catchment-scale export of antibiotic resistance genes and bacteria from an agricultural watershed in central Iowa., Timothy Patrick Neher

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Behavior, welfare, production and bioenergetics of laying hens in alternative housing systems, Jofran Luiz De Oliveira

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Analyzing and advancing maize and sugarcane biorefinery systems, Maria C. T. B. Oliveira

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Chemical and sensory evaluation of volatile aroma compounds from selected cold-hardy grapes and wines, Somchai Rice

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A methodology of calibrating flexible fibers in the discrete element method for simulating wheat straw shear, Matthew W. Schramm

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Development of a standards-based traceability system for the U.S. grain and feed supply chain, Richa Sharma

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Performance evaluation, economic analysis and improvement recommendations for a batch drying chamber system at the ISU Agricultural Engineering and Agronomy Research Farm, Trevor Stevenson

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A robotic proximal sensing platform for in-field high-throughput crop phenotyping, Taylor L. Tuel

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Tool life comparison between servo and pneumatic ultrasonic welders for cutting polylactic acid film, Sara Michelle Underwood

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Process generalizations and rules of thumb for scaling up biobased processes, Mothi Bharath Viswanathan

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Maize and sorghum plant detection at early growth stages using proximity laser and time-of-flight sensors, Zhao Yang

Theses/Dissertations from 2018

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Advanced bale weighing with integrated mass yield system for large square balers, Jeffrey Clark Askey

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Automated plant phenotyping using 3D machine vision and robotics, Yin Bao

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Evaluating the effectiveness of two training formats for grain dust explosion prevention, Wesley Tzungju Chang

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Predictive analytics in agribusiness industries, Fatemeh Davoudi Kakhki

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Evaluating the impacts of Midwestern cropping systems on soil health and subsurface drainage water quality, Brian Dougherty

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Agricultural tire dynamometer test stand, Colton Finley

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Effects of organic fertilization on soil bacterial community structure in incubated microcosms, Jared Scott Flater

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Volumetric yield sensing in a combine harvester, Michael Hanigan

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A qualitative and quantitative examination of factors underlying safety climate, Jon Lewis Patrick Judge

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Utility of stress in occupational and life decisions of correctional officers, Laura Kim

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Nondestructive measurement system to determine corn seed planting depth using ground penetrating radar for precision agriculture, Kenneth Obrien Mpho Mapoka

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Surface water hydrology and quality in farmed prairie potholes of the Des Moines Lobe in Iowa, Alexander R. Martin

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Improving the nutrient removal capabilities of woodchip bioreactors, Emily Ann Martin

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Improving the nutrient removal capabilities of woodchip bioreactors, Emily Ann Martin

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Biorenewable polymer thermoplastic biocomposites, Mitchel M. Michel

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Developing general procedure to quantitatively analyze boom height control performance on self-propelled agricultural sprayers, Lucas Miles

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Fate and transport of manure associated microbial constituents in agroecosystems, Elizabeth Luby Rieke

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The effect of manure application timing on the persistence of phenotypic and genotypic antibiotic resistance in tile-drained hapludolls, Elliot George Rossow

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Evaluation of syngas mass transfer and its impact on syngas fermentation and development of a novel enhanced gas to liquid mass transfer bioreactor, Ashik Sathish

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A current state analysis of preventive control requirements and traceability infrastructure in small U.S. food facilities, Quin Schultz

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Development of a mobile air filter testing laboratory and filter assessment procedure for pig production systems, Benjamin Carl Smith

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Hydrological and empirical modeling framework for farmed prairie potholes in the prairie pothole region of Iowa, Pawan Upadhyay

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An analysis of BMPs and their combined effectiveness at reducing nitrate-nitrogen export to the Black Hawk Lake Watershed, Iowa, Katherine Van Der Woude

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Life cycle assessment (LCA) and techno-cconomic analysis (TEA) of biobased adhesive derived from glycerol, Minliang Yang

Theses/Dissertations from 2017

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Soy Biocomposite Turfgrass Fertilizer, Jake Behrens

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Evaluation of subsurface drainage on phosphorus losses and application of the SoilIceDB model in the Black Hawk Lake Watershed, Iowa, Conrad Brendel

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Effect of converting row crop to prairie on nutrient concentration in shallow groundwater and soil properties, Bethany Brittenham

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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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Technology adoption in the public distribution system of Chhattisgarh, India: Analysis of factors that facilitate the transition to technology utilization in food distribution, Varun Chhabra

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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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Modeling of filament deposition rapid prototyping process with a closed form solution, Steven Leon Devlin

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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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Student motivation and academic success: Examining the influences, differences, and economics of mechatronic experiences in fundamental undergraduate courses, John R. Haughery

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Swine finishing room air infiltration quantification-modelling and use in ventilation system design, Harishchandra Tulshiram Jadhav

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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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Interfacial healing and transport phenomena modeling of biopolymers, Karla Enid Lebron

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Behavior and production responses of pullets and laying hens to enriched housing and lighting, Kai Liu

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

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A novel approach to measure, understand, and assess the thermal environment in grow-finish swine facilities, Brett Carlos Ramirez

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Analysis of commercial lines insurance claims in the nursing home industry, Jason Schaufenbuel

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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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A mass balance based model to evaluate the impact of amino acid profiles on the feeding and processed value of soybeans, Kortney Paige Wagner

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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

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Techno-Economic Analysis (TEA) and Environmental Impact Assessment (EIA) of corn biorefinery and bioprocessing operation, Weitao Zhang

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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Implementation of lean operational controls for a corn stover biomass feedstock supply chain, Jeremy Brue

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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