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Nitrogen management strategies to improve corn growth and reduce soil greenhouse gas emissions from claypan soils
(University of Missouri--Columbia, 2018)
. The objective of this study was to determine the effects of urea fertilizer placement with and without the addition of a nitrification inhibitor (NI) on corn yield, N use efficiency (NUE), and cumulative soil N[2]O emissions on a Northeastern Missouri claypan...
Three essays on phosphorus runoff and water quality
(University of Missouri--Columbia, 2019)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Water pollution caused by nutrients, and the resulting eutrophication, have increased over time. This water pollution is increasingly caused by non-point source pollution, both...
Food insecurity and foraging food from gardening, hunting, and fishing among supplemental nutrition assistance program and eligible supplemental nutrition assistance program families
(University of Missouri--Columbia, 2020)
Households participating in, or eligible for, USDA's Supplemental Nutrition Assistance Program (SNAP) deploy many food acquisition strategies to enhance their food security because the SNAP program is intended to supplement rather than provide all a...
Lifestyle treatment in the regression of NASH: insulin resistance, lipid synthesis, and methodological innovation
(University of Missouri--Columbia, 2022)
(liquid chromatography mass spectrometry) were used to track the synthesis of CERs within hepatic tissues of mice consuming 13C3 15N L-serine dissolved in their water and a high fat (60 percent energy, HFD) or a control (low fat, 20 percentE, CD) diet...
Motivation for smoking and smoking cessation : a self-determination theory investigation
(University of Missouri--Columbia, 2019)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Nicotine dependence is conceptualized as a disorder of motivation. Initial drug use is goal-directed, but with the development of dependence it becomes increasingly routinized...
Three essays on higher education outcomes
(University of Missouri--Columbia, 2022)
. Program adoption reduces bachelor's degree holders in rural counties by 1.2 percentage points. The second essay measures the impact of honors college participation on collegiate outcomes at a large, public-land grant midwestern university by leveraging...
Uncovering limitations and opportunities in nitrogen fixation in soybean using genetic mapping and transgenic approaches
(University of Missouri--Columbia, 2023)
[EMBARGOED UNTIL 8/1/2024] Soybean [Glycine max (L.) Merr.] is one of the most valuable crops world-wide and is the most cultivated legume. Symbiotic N fixation (SNF) evolved as it confers a competitive advantage to soybean in environments where N...
Soil characteristics and subsequent corn development following partial corn residue removal in a no-till, corn-soybean rotation
(University of Missouri--Columbia, 2013)
treatment increased soil ammonium-N concentration, soil water content at R1, minimum and average soil temperature at corn emergence (VE). Early, median and late emerging corn plants of each residue and cover crop treatment were also tracked throughout...
The relationship between medication adherence, health literacy and social support network in the hypertensive emergency department patient
(University of Missouri--Columbia, 2020)
(n=50) with HTN that presented to the ED. Participants were predominantly male (56 [percent]), 41-60 years old (46 [percent]), and Caucasian (60 [percent]). Only 36 [percent] of participants were adherent to their HTN medications, 42 [percent] had...
Three essays on labor economics
(University of Missouri--Columbia, 2021)
This dissertation addresses labor market issues. The first two chapters deal with employment issues during the great recession using nationally representative data from the Survey of Income and Program Participation. The ...
Enhancing Missouri agritourism: a comprehensive evaluation of visitors' intrinsic motivation, environmental behavior, and satisfaction
(University of Missouri--Columbia, 2022)
[EMBARGOED UNTIL 12/1/2024] Unstable farm income and the desire to diversify revenue sources have increased the significance of agritourism as an alternative economic opportunity for farmers and ranchers. In Missouri, agriculture and tourism...
Exploring factors that affect customer satisfaction and dining intention in hotel restaurants compared to stand-alone restaurants
(University of Missouri--Columbia, 2018)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] With the change of time, more and more hotels have chosen to operate food and beverage departments as separate revenue sectors from room departments, aiming to increase the total...
Integrating cover crops into crop rotations in upstate Missouri
(University of Missouri--Columbia, 2018)
"There is an increasing emphasis on management strategies such as reduced tillage, use of cover crops, and implementation of conservation practices (i.e. terraces, no-till, and cropping systems) in Missouri cropping systems. By combining best...
Hospital acquired pressure injury in adult orthopedic spine surgery patients: risk factors and risk assessment tools
(University of Missouri--Columbia, 2022)
Approximately 25 percent of all hospital acquired pressure injuries (HAPI) begin in the perioperative area. The study purposes were to identify risk factors in adult surgical patients undergoing orthopedic spine surgery ...
Drainage water management practices affect water quality, soil properties, and crop production
(University of Missouri--Columbia, 2023)
Several agricultural management practices such as terrace construction, cover crops (CC), drainage water recycling (DWR), free drainage (FD), and 4R nitrogen (N) management can influence water quality, soil properties, and crop production...
Three essays on food security, agricultural productivity, and commodity basis
(University of Missouri--Columbia, 2021)
local, growing season, and regional precipitation, on Missouri corn and soybean basis. We document statistically significant linear and nonlinear basis responses in corn and soybean models for local and growing season precipitation variations. We also...
Three essays on social policy
(University of Missouri--Columbia, 2023)
This dissertation consists of three essays that examine the impact of the Supplemental Nutrition Assistance Program (SNAP) work requirement on program participation using national and state-level administrative and cannabis legalization...
Three essays on innovation, corporate control and household consumption-based asset pricing
(University of Missouri--Columbia, 2021)
Chapter I: Tracking more than 100 billion weekly transactions of two million products at the barcode level from 2007 to 2017, we identify and categorize new products as pioneers, followers and improvers to study corporate ...
Behavioral responses of drosophila suzukii (diptera: drosophilidae) to olfactory and visual cues
(University of Missouri--Columbia, 2019)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Selected fruit and leaf volatiles were assessed to determine their attractiveness to Drosophila suzukii Matsumura (Diptera: Drosophilidae). Two- and four-choice assays were...
Docosahexaenoic acid and lipid peroxidation products : insights from studies with microglial cells and mouse brain
(University of Missouri--Columbia, 2019)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Oxidative stress is known to play an important role in neurodegenerative diseases. Microglia are the primary innate immune cells in the central nervous system. Using BV-2...