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Now showing items 41-60 of 86
Agroforestry buffer, biomass crop, and grain crop effects on soil quality and soil water use
(University of Missouri--Columbia, 2020)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Soil degradation, impaired water quality, and reduced soil organic carbon have become major concerns in the management of degraded claypan soils with ...
Simulating prehistoric population dynamics and adaptive behavioral responses to the environment in Long House Valley and Black Mesa, Arizona
(University of Missouri--Columbia, 2018)
This project contributes to our understanding of human adaptability to environmental stress and climate change in Long House Valley and Black Mesa, Arizona from AD 800-1350. This was accomplished through the development ...
Characterization of diverse soybean genotypes for phosphorus uptake and use efficiency
(University of Missouri--Columbia, 2021)
Soybean (Glycine max L. Merrill) is one of the most important legume crops grown worldwide. However, without phosphorus (P) fertilization, soybean yields often are limited by phosphorus availability. Phosphorus is an ...
Structural and kinetic studies of proline metabolic enzyme inhibitors and inactivators
(University of Missouri--Columbia, 2021)
Structural and kinetic studies of the proline metabolic enzymes proline dehydrogenase (PRODH), [delta]1-pyrroline-5-carboxylate reductase (PYCR), and aldehyde dehydrogenase 4A1 (ALDH4A1) are presented in this thesis. ...
A behavioral genetic examination of the relation between adolescent polysubstance use and educational attainment
(University of Missouri--Columbia, 2023)
[EMBARGOED UNTIL 8/1/2024] Most individuals who use substances use more than one, which is referred to as polysubstance use. Polysubstance use has consistently been related to poorer outcomes compared to use of a single ...
Major life-changing events and preferred retirement time among older adults : evidence from the 1992 to 2014 health and retirement study
(University of Missouri--Columbia, 2019)
This study evaluated the way life-changing events affect older adults' preferred and actual retirement age using the 1992/1993, 1994/1995, 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010, 2012, and 2014 surveys of the Health ...
Genetic and microbiota-mediated phenotype variability in the min mouse model of human colorectal cancer
(University of Missouri--Columbia, 2019)
Complex diseases develop as a result of genetic predisposition and environmental factors that determine individual risk. Environmental factors such as geographical location, diet, and lifestyle choices shape the gut ...
Conservation and allocation of slope in gravity sanitary sewer design
(University of Missouri--Columbia, 2010)
Gravity sanitary sewers are traditionally designed in a relatively direct route from source to destination after considering property boundary/easement constraints and topographic features. A methodology is presented in ...
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. ...
Creating a zero-waste soy processing system and developing vitamin B12 fortified non-GMO high oleic soy-based products using encapsulation technology
(University of Missouri--Columbia, 2023)
[EMBARGOED UNTIL 5/1/2024] High-oleic (HO) soybeans contain approximately 72-75 percent of oleic acid and 20 percent or less saturated fatty acids as compared to the traditional soybean variety. High levels of oleic acid ...
Three essays on the economics of pesticide use
(University of Missouri--Columbia, 2022)
Pesticides primarily benefit humans in terms of protection of food production, prevention of diseases, and weed control, but also potentially harm people and the environment. Given increasing current interest in human ...
An exploration of black college men's perspective on their career outlook through cluster analysis
(University of Missouri--Columbia, 2021)
Black men currently significantly lag other groups in their participation in high status occupations. There have been several studies to highlight the challenges of Black people in the workplace but there is a lack of ...
Three essays on economics of higher education
(University of Missouri--Columbia, 2019)
This dissertation consists of three chapters. In Chapter 1, we use data from the 2015-16 academic year to document faculty representation and wage gaps by race/ethnicity and gender in six fields at 40 selective, public ...
Explainable data fusion
(University of Missouri--Columbia, 2021)
The recent resurgence of Artificial Intelligence (AI), specifically in the context of applications like healthcare, security and defense, IoT, and other areas that have a big impact on human life, has led to a demand for ...
Bayesian hierarchical modeling of colorectal and breast cancer data in Missouri
(University of Missouri--Columbia, 2018)
Data on cancer in the United States is collected through cancer registries. The Missouri Cancer Registry and Research Center (MCR-ARC) maintains a statewide cancer surveillance system and participate in research in support ...
Meta-analysis of single-subject research using hierarchical linear modeling : empirical examination of the procedure and functional behavior assessment-based interventions
(University of Missouri--Columbia, 2010)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] The role of evidence-based practices in both research and practice continue to provoke issues of disagreement and definition across multiple fields. ...
Effect of brand social media adoption on brand performance
(University of Missouri--Columbia, 2023)
The continuous emergence and decline of social media platforms present challenges for businesses in planning, investing, and justifying their investments in these platforms. Observations have noted that social media often ...
State-to-state migration and its relationship with state funding for education
(University of Missouri--Columbia, 2022)
One important way to assess the equity of our education system is understanding how funding -- which is critical to the success of education institutions and its students -- changes in reaction to resource availability. ...
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 ...
Coupling, membrane conductance, and ion channel mRNA profiles in the establishment and maintenance of network activity in the crustacean cardiac ganglion
(University of Missouri--Columbia, 2021)
cells together, and identify cells based on gene expression alone. We use single cell RNA-seq and single cell qRT-PCR to measure all contigs or a select set of ion channel, receptor, and gap junction mRNAs. We find these methods do not reproduce...