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Now showing items 121-140 of 1476
Evaluation of teosinte genetic diversity for agronomic and domestication traits in maize /
(University of Missouri--Columbia, 2017)
for adaptation and fitness related traits in the Teosinte Synthetic population. Maize plays a central role in the US agriculture and food production, as well as has the greatest molecular and phenotypic diversity than any crop species. My research study strongly...
Competing agri-environmental paradigms and technology transfer : negotiating the nature of agroforestry in Missouri
(University of Missouri--Columbia, 2007)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Agroforestry is promoted as an ecologically beneficial and economically viable alternative to the high-input, capital-intensive, commodity-oriented agricultural model...
Surface waters most likely impacted by hormones from land-applied CAFO wastes in Missouri
(University of Missouri--Columbia, 2012)
in wildlife and to reproductive disorders and a variety of cancers in humans. Previous study findings indicate that it is very difficult to predict fine scale transformation or degradation rates of hormones across complex agricultural landscapes. This study...
Management of nitrogen and nitrification inhibitors for corn and wheat production on claypan soils
(University of Missouri--Columbia, 2017)
Use of nitrification inhibitors (NI) in agricultural production systems is considered a risk management strategy for both agricultural and environmental considerations. It can be utilized when risk of reduced nitrogen (N) fertilizer use efficiency...
Establishing, characterizing and deploying novel insect cell lines
(University of Missouri--Columbia, 2017)
Insect cell lines are convenient and powerful tools that were initially used in viral propagation, optimization of viral pesticides, cell-virus interactions, and recombinant protein productions. The most commonly used cell ...
Quantifying the effects of insectary plants on the abundance of natural enemies : implications for controlling insect pests in an organic cabbage eco-system
(University of Missouri--Columbia, 2017)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Farmscaping is an ecological approach to pest management that involves planting non-crop plants to boost natural enemy abundance and suppress pest ...
Linking waterfowl distribution and abundance to spatial and temporal distribution and abundance of wetland habitat
(University of Missouri--Columbia, 2016)
, and sequester and transform nutrient runoff in agricultural areas and the surrounding landscape (Mitsch and James 2000, Woodward and Wui 2000). Wetlands provide essential resources for many biota and because of unique selective pressures, are home to numerous...
Adoption of organic farming systems in Missouri
(University of Missouri--Columbia, 2009)
Organic agricultural production in Missouri has grown since the inception of national organic production and labeling standards in 2002. Underlying the growth of certified organic operations and land area in Missouri are producers' motivations...
A multi-scale investigation of ecologically relevant effects of agricultural runoff on amphibians
(University of Missouri--Columbia, 2008)
Modification of landscapes for agricultural production can introduce agrochemicals into surface waters and degrade aquatic habitats used by many amphibians for breeding and larval development. Although many ecotoxicological studies have shown...
Institutional effects on grain producer price-risk management behavior : a comparative study across the United States and South Africa
(University of Missouri--Columbia, 2007)
This dissertation analyzes the impact of the surrounding agricultural marketing environment on grain producers' hedging decisions. This dissertation hypothesize that supports such as producer income supports and grain price protections create...
The role of bridging and linking social capital in household wealth: a case study of two livelihoods in Treasure Beach, Jamaica
(University of Missouri--Columbia, 2010)
The Caribbean is a developing region of the world that has struggled to overcome corrupt governmental programs and agencies. Poverty and crime are commonplace, and a strong distrust of government is often present. With ...
Self-perceptions of leadership held by upper classmen in two Missouri FFA chapters : a collective case study
(University of Missouri--Columbia, 2012)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] The National FFA Organization is widely recognized as a premier youth leadership development organization. Though numerous studies of leadership within ...
Income inequality within and between villages in a rural region of China
(University of Missouri--Columbia, 2007)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] The economic reforms during the past eighteen years in China have increased income inequality. This study investigates the impact of policy changes on ...
The State of Early Childhood Programs: 2009
(Center for Family Policy & Research, 2009)
Enriching experiences in the context of high quality early childhood programs give young children an enhanced chance at success in school. Poor children, who are particularly at risk for academic failure, can benefit greatly ...
Three essays on healthcare access and efficiency
(University of Missouri--Columbia, 2011)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] This dissertation is composed of three papers relating to healthcare access and efficiency. Focus of the first paper is to develop a gravity-based ...
A structural model of the international coffee sector : an econometric investigation
(University of Missouri--Columbia, 2011)
The primary objective of this research was to build an econometric model of the international coffee sector that could be used to simulate alternative scenarios including macroeconomic changes, potential technological ...
A production theory application to modeling Korean beef import demand
(University of Missouri--Columbia, 2008)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] This research assesses the import demand for beef in the Korean market by source of origins including domestically produced beef. An indirect translog ...
The economic consequences of water utility disruptions
(University of Missouri--Columbia, 2013)
This research produces an economic impact analysis of short duration water utility disruptions to evaluate the consequences of alternative restoration decisions. The study constructs a continuous dynamic disequilibrium ...
The effect of organizational structure on firm first day underpricing, long-term performance : evidence from U.S. biotech initial public offerings from 1996 to 2004
(University of Missouri--Columbia, 2012)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] This paper investigates the effect of organizational structure on firm first-day return (underpricing), and long-term performance. Using 206 United ...
The impact of external knowledge on patent production among SBIR winners
(University of Missouri--Columbia, 2011)
This paper provides empirical evidence related to the factors which allow SBIR winner firms to be more innovative. The analysis is carried out by investigating the influence of firm-specific characteristics, together with ...