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Soil testing in Missouri : a guide for conducting soil tests in Missouri
(2022)
"Missouri Agricultural Experiment Station Bulletin 734, An Explanation of Theory and Methods of Soil Testing by E. R. Graham (1) was published in 1959. It served for years as a guide. In 1977 Extension Circular 923, Soil Testing in Missouri...
Restoration treatments and regeneration dynamics in East Texas mixed wood forests
(University of Missouri--Columbia, 2023)
Extensive harvesting, fire exclusion, and plantation forestry altered composition and structure, and thus function and habitat values of east Texas Pineywoods uplands. Upland restoration efforts are made difficult by the ...
Sustainable management of invasive species
(University of Missouri--Columbia, 2023)
invasions. The main objectives of this dissertation were to: 1) evaluate the efficacy of an attract-and-kill strategy targeting Japanese beetle, 2) quantify how attract-and-kill impacts arthropod short- distance dispersal in an agricultural setting, and 3...
Agroforestry and cover crops for improving surface water and groundwater quality
(University of Missouri--Columbia, 2023)
Unsustainable agricultural practices and the rapid expansion of agricultural lands to satisfy the food demand of the growing world population have caused significant sediment, and nutrient losses from agricultural fields, harming the environment...
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...
An analysis of the decision to formally register a new venture in Sub-Saharan Africa
(2021)
This dissertation considers the factors that influence the decision to formally register a new venture, by nascent entrepreneurs in Sub-Saharan Africa. Understanding these factors is important because registration is the ...
Yes she can : examining the educational and career pathways of African American women in senior leadership positions in 4-year public universities
(University of Missouri--Columbia, 2020)
This qualitative study explored how African American women in senior leadership positions in 4-year public universities in the United States speak about the experiences and characteristics that have contributed to their academic achievements, career...
Characterization of diverse soybean genotypes for phosphorus uptake and use efficiency
(University of Missouri--Columbia, 2021)
was aimed at identifying and characterizing soybean genotypes which contrast in their ability to take up P and in their PUE. Results from pot and field experiments with diverse soybean genotypes, including SoyNAM parents, obsolete cultivars, commercial...
Intersubjective understanding of violence: the lifeworld of Tajik immigrant workers in post-Soviet Russia
(University of Missouri--Columbia, 2021)
This dissertation analyzes the phenomenon of violence in the context of labor migration from Tajikistan to Russia. It examines the legal framework for migration policy and asks how sociology can understand the experience of violence and how social...
Implications of ovarian and uterine maturity evaluated in replacement heifer candidates
(University of Missouri--Columbia, 2021)
of heifers via reproductive tract evaluation. Disparities in ovarian and uterine maturity may be detected at the time of evaluation in peripubertal heifers. Two experiments were conducted to characterize the incidence and implications of disparate ovarian...
Regeneration of soil microbial, physical, and chemical properties in restored bottomland hardwood forest wetlands
(University of Missouri--Columbia, 2023)
(WRP)] was initiated with the goal of reducing the loss of wetlands and restoring wetlands previously converted to agricultural land use. Despite the importance of preserving and restoring wetlands, the benefits of wetland restoration have not been well...
Investigations of Mississippi valley-type mineralizing fluids via analytical geochemistry, numerical modeling, and experimental geochemistry
(University of Missouri--Columbia, 2021)
-stage mineral in MVT deposits, thus it has a high potential for this purpose. However, experimental distribution coefficients (D) for the partitioning of Zn between dolomite and aqueous solution are unknown. A series of dolomite precipitation experiments...
The adjunctification of United Methodist part-time local pastors : a case study of part-time local pastors in the Mountain Sky Conference of the United Methodist Church
(University of Missouri--Columbia, 2020)
experiences and labor conditions of part-time local pastors (PTLP's) in isolated, rural, and declining communities within the Mountain Sky Conference (MSC) of The UMC. To gather data, artifact review, demographic surveys, and Zoom interviews were conducted...
Cover crop effects on soil moisture dynamics & thermal properties
(University of Missouri--Columbia, 2021)
properties of a corn (Zea mays L.) cropping system. The study was conducted at the Elsberry Plant Material Center - USDA, Missouri, USA, with 1) no-till cover crop (NC), 2) conventional till no cover crop (CN), and 3) no-till no cover crop (NN) treatments. A...
Factors that lead to principal retention: an arts-based narrative inquiry
(2023)
Building principals are more than the face of the school. School administrators spend
their time guiding teachers and students, collaborating with parents, establishing a
responsive culture, and navigating accountability ...
Phytoplankton response to water quality threats in Midwest reservoirs
(University of Missouri--Columbia, 2021)
Harmful cyanobacterial blooms and invasive species threaten water quality. These threats are expected to worsen in the future, emphasizing the need for creative management solutions and a thorough understanding of their ...
Through the looking-glass: how scientists view journalists and science news
(University of Missouri--Columbia, 2022)
This research aims to better understand the relationship between scientists and journalists from a scientist's point of view, how scientists view science news, and how this view has changed or stayed the same over twenty ...
Identification and characterization of health-promoting benefits and bioactive molecules in black walnuts (Juglans nigra l.) and waste materials from agroforestry systems
(University of Missouri--Columbia, 2020)
selected and cultivated for nut production by the University of Missouri - Center for Agroforestry (Columbia, MO, USA). Additionally, it is likely that the bioactive activities of black walnut are correlated with its bioactive constituents including...
Effects of stress, genetics, and environment on microbiome composition in western corn rootworm (Diabrotica virgifera virgifera Leconte)
(University of Missouri--Columbia, 2023)
practice of cover cropping and no-till to improve belowground pest management. Food security in the future will rely on successful integration of sustainable management practices in agricultural systems to balance productivity and broader ecosystem...
Social inequalities and mortality during the 1918 influenza pandemic on the island of Newfoundland
(University of Missouri--Columbia, 2022)
statistics, death registers, census data, and historical archives from The Rooms Provincial Archives in Newfoundland and Labrador, as well as supplemental historical qualitative archives from the Memorial University of Newfoundland Special Collections...