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Farm land values for midwestern states (2014)
(University of Missouri--Columbia. Extension Division, 2014)
Farm land values for midwestern states (2015)
(University of Missouri--Columbia. Extension Division, 2015)
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...
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 their associated ecological...
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...
Cross-cutting knowledge organizations as leverages of entrepreneurial activity
(University of Missouri--Columbia, 2015)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Motivated by the possibility of obtaining relational rents (Dyer & Singh, 1998; Lavie, 2006), firms have used inter-firm networks as knowledge leverages. But which type of ties...
Essays on state merit-based financial aid : seeking STEM, revisiting methodology, and test retakers
(University of Missouri--Columbia, 2020)
This dissertation investigates several topics in state merit-based financial aid research. The main research content includes three separate studies, primarily using the administrative datasets from the Missouri Department of Higher Education...
Characterization of a diverse USDA collection of wild soybean (glycine soja siebold & zucc.) accessions and subsequent mapping for seed composition and agronomic traits in a RIL population
(University of Missouri--Columbia, 2018)
the phenotypic diversity within a core collection of 80 G. soja plant introductions (PIs) in the United States Department of Agriculture National Genetic Resources Program that were collected in China, Japan, Russia, and South Korea, and to analyze...
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...
Merging technology development of trapped ion mobility spectrometry quadrupole time-of-flight mass spectrometry with biological investigation of Medicago truncatularoot exudates
(University of Missouri--Columbia, 2020)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] "New commercial ion mobility instrumentation has the potential to improve current analytical techniques, but developments need to be applicable to real-world problems...
Characterization of black walnut (Juglans nigra) cultivars for agroforestry systems
(University of Missouri--Columbia, 2022)
The identification of complementary species combinations will accelerate the expansion of temperate agroforestry. Since the mid-19th century, European timber plantations have taken advantage of the late-leafing habit of ...
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...
Data combining using mixtures of g-priors with application on county-level female breast cancer prevalence
(University of Missouri--Columbia, 2022)
scenarios in terms of the theoretical properties including biases, frequentist variances, and mean squared errors. In the first project, data combining of linear models with the classical mixtures of g-priors is investigated. We calculate and compare...
Insights for rural health care provider retention : a quantitative survey analysis
(University of Missouri--Columbia, 2021)
Due to rural health disparities and an uneven distribution of health providers across the rural urban continuum, retaining the existing rural health care provider workforce may be an important strategy to maintain existing ...
The ecology of organizational forms in local and regional food systems: exploring the scaling-up challenge via a species concept
(University of Missouri--Columbia, 2020)
Over the past 30 years, Western nations have developed alternative systems for exchanging agrofood products which incorporate social values into the transactional environment. These systems are comprised of many different ...
Soil surface-seal measurement using high-resolution x-ray computed tomography (HRCT)
(University of Missouri--Columbia, 2006)
Rainfall on bare soil breaks soil aggregates, detaching particles, plugging pores and decreasing porosity in the top few mm of soil. This reduces hydraulic conductivity and increases runoff through a process known as surface ...
Effects of Selected Contaminants on the Physical, Chemical, and Geotechnical Properties of Aquifer Solid
(2014)
contaminants on the hydraulic conductivity of sand. Bulk sand samples from the Missouri River Valley aquifer— a major source of groundwater supply in the U.S. Midwest— were collected for this study. Sand samples, representing the aquifer and vadose zone...
Uncovering the genetic architecture and metabolic basis of amino acid composition in maize kernels using multi-omics integration
(University of Missouri--Columbia, 2020)
composition display extensive natural variation which can be utilized to uncover the genetic basis and identify new targets for seed amino acids biofortification. Hence to uncover the genetic architecture of amino acids composition in maize kernels we used...
Keeping up with the Joneses: Relative economic voting, electoral participation, and reference points
(University of Missouri--Columbia, 2018)
This research explores the role relative economy plays in vote choice and turnout. The decision to vote and for whom to vote are heavily predicated on selecting competent policymakers based on their performance handling ...
Effects of hip joint orientation and skeletal torsion on human locomotor biomechanics and evolution
(University of Missouri--Columbia, 2023)
[EMBARGOED UNTIL 8/1/2024] Bipedal locomotion is a defining feature of the human lineage. However, the form of bipedality in different hominin taxa and the timing of emergence of a human-like striding bipedal gait have ...