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Now showing items 61-80 of 233
Biology and management of cut-leaved Teasel (Dipsacus laciniatus L.) in central Missouri
(University of Missouri--Columbia, 2006)
locations by measuring plant dry weight and leaf area. Herbicide efficacy experiments were conducted with four modes of action: amino acid biosynthesis inhibitors, growth regulators, acetolactate synthase (ALS) inhibitors, and cell membrane disrupters. Total...
"Send only your serious cases" : delivering flu to Toronto: an anthropological analysis of the 1918-19 influenza epidemic in Toronto, Ontario, Canada
(University of Missouri--Columbia, 2010)
This project looks at the 1918-19 pandemic influenza experience in Toronto, Ontario, Canada. Based on historical records (most notably death registries and archival material) this work strives to understand the social, biological, and environmental...
In the silence of her friends: a case study of the intersection of gender, race, age, and leadership in the dismissal of a public school superintendent
(University of Missouri--Columbia, 2005)
. Charlie Mae Knight and her experiences in an urban district in California may contribute to the knowledge and literature of the superintendent's social capital and her ability to exercise political power equally with primary stakeholders in her district...
Agronomic and pest interactions in no-till corn and soybean wih fall versus spring herbicide applications
(University of Missouri--Columbia, 2006)
compared fall herbicide applications to early spring applications. Therefore, field experiments were conducted in both no-till corn and soybean fields from 2004 through 2006 in central, northwest, and northeast Missouri. Herbicide applications were made...
Narrative sweat and flow : the challenge and fulfillment of covering sensitive social issues
(University of Missouri--Columbia, 2013)
Long-form narrative writers who immerse themselves in other lives and situations to cover social issues have one of the hardest jobs in journalism. They take on difficult, often heart-wrenching subjects, and tell stories ...
Occupancy modeling of forest carnivores in Missouri
(University of Missouri--Columbia, 2008)
My research used infrared remote cameras, trackplate boxes, and scat transects to survey for carnivores at 53 sites throughout the southern forested region of Missouri. Cameras and track-plates both detected Eastern spotted skunk (Spilogale putorius...
Atrazine transport through a glacial till aquifer in north-central Missouri
(University of Missouri--Columbia, 2009)
Although the claypan of North Central Missouri is traditionally believed to protect the groundwater from contamination, low concentrations of the herbicide atrazine have been detected in a shallow glacial till aquifer. The fate of the atrazine...
The lived experience of nurse mentors : mentoring nurses in the profession
(University of Missouri--Columbia, 2010)
This qualitative study explored the lived experience of 13 nurse mentors in various practice settings, specialties, and roles. Additional findings included understanding facilitative practices, obstacles, and benefits of the mentoring relationship...
Forest harvest effects on soil chemical properties and nutrient concentrations in Ozark Highland soils
(University of Missouri--Columbia, 2010)
Mixed hardwood systems of the Missouri Ozark Forest Ecosystem Project are harvested using clearcutting (CC) and single-tree selection (STS) regeneration methods. This work indicates possible effects of regeneration method on surface soil nutrient...
Assessing the capacity for collaborative ecosystem stewardship on private forestland in the Missouri Ozarks
(University of Missouri--Columbia, 2007)
Missouri's forestland totals nearly 15 million acres and a vast majority of this area, roughly 82 percent, is controlled by more than 300 thousand nonindustrial private forest (NIPF) owners. Consequently, meaningful long-term stewardship...
Economic analysis of woody biomass harvesting in the Missouri Ozarks
(University of Missouri--Columbia, 2010)
An integrated mechanized timber harvest thinning treatment to remove small diameter trees and merchantable saw logs was conducted on 30 acres of the Missouri, Ozarks in the summer of 2009. Two silvicultural treatments (single tree selection...
Product differentiation and the role of contracts : the US pork industry case
(University of Missouri--Columbia, 2008)
This dissertation studies factors influencing the rapid transition from spot markets to contracts recently observed in the exchanges between farm producers and processors or distributors. In particular, it attempts to fill ...
Genetic basis of isoflavone accumulation during soybean seed development : special focus on water-deficit conditions
(University of Missouri--Columbia, 2009)
Soybean (Glycine max [L] Merr.) seed isoflavones have long been considered a desirable trait to target in selection programs for their contribution to human health and plant defense systems. The plant synthesizes isoflavones ...
The patriotic impact of World War I on the Texas Posten, a Swedish-language newspaper
(University of Missouri--Columbia, 2010)
The Texas Posten, Austin's weekly Swedish-language newspaper, was in its 18th year when world war erupted in Europe. Like many Americans around the country, Texas Swedes heeded President Wilson's words of neutrality and ...
Wildlife response to spatial and temporal changes in forest habitat
(University of Missouri--Columbia, 2008)
A common goal in land-management planning is to describe the relationship between management actions, vegetation and wildlife habitat conditions for large landscapes. Achieving this goal can be challenging because ecological ...
Stand structure development effects on wood quality of Melina (Gmelina arborea roxb.)
(University of Missouri--Columbia, 2009)
A stem analysis was perform to examines the effects of thinning treatments on Melina (Gmelina arborea) wood quality and tree architecture in the North Coast of Colombia. 27 plots under forest management regimes and age ...
The effects of animated agents with verbal audio on mathematics comprehension and attitudes towards mathematics and computers
(University of Missouri--Columbia, 2005)
who enrolled in Pre-Calculus courses a at doctoral/research-extensive university. It verified quantitatively that the presence of animated agents with verbal audio in WBI can improve students' mathematics achievement and attitudes toward mathematics...
Glyphosate resistance : pollen movement within a common ragweed (Ambrosia artemisiifolia L.) population and herbicide release from common waterhemp (Amaranthus rudis sauer) plants
(University of Missouri--Columbia, 2011)
Common ragweed and Common waterhemp are native, summer annual weeds distributed widely throughout the United States. Both weed species have developed resistance to the broad-spectrum herbicide glyphosate. Research was ...
Integrated management of the invasive weed, cut-leaved teasel (Dipsacus laciniatus L.) along a Missouri highways
(University of Missouri--Columbia, 2008)
Cut-leaved leaved teasel is an invasive, exotic, and noxious weed in Missouri. Biennial plant infest roadsides and undisturbed areas. Studies regarding seed biology, detection, and control measures were conducted to improve teasel management along a...
Evaluating flood tolerance measures for Missouri oak species
(University of Missouri--Columbia, 2008)
The aim of this research was to determine the effects of four flooding treatments on survival of seedlings from 45 seedlots of seven oak species at two sampling dates using logistic analysis, and to quantify growth responses ...