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Now showing items 21-40 of 193
Alternative tillage and nitrogen management options to increase crop production and reduce nitrous oxide emissions from claypan soils
(University of Missouri--Columbia, 2010)
The Central Claypan Region covers an area of 10 million acres of claypan or claypan-like soil in Missouri, Oklahoma, Kansas, Iowa, and Illinois. Agricultural production on claypan soil can have lower yield and a greater impact on the environment...
Creating an imperial city: Kansas City in the 1920s
(University of Missouri--Kansas City, 2011-08-04)
This thesis is a community study of Kansas City in the
1920s as a city working to assume a prominent place within the
emerging American market empire. It begins by exploring the
role that men and women played in altering ...
A multi-configuration evaluation of the soil and water assessment tool (SWAT) in a mixed land use watershed in the central U.S.A.
(University of Missouri--Columbia, 2011)
. Watershed and soil resolution had negligible impact; climate input had considerable impact. Single climate station input is best used for applications requiring monthly predictions; distributed climate station input is needed for daily predictions. SWAT...
Establishing pin oak reproduction in bottomland forests in southeastern Missouri
(University of Missouri--Columbia, 2010)
In pin oak (Quercus palustris Muenchh.) bottomland forests in southeast Missouri, we revisited clearcuts, shelterwood harvests, and controls within the Mingo Basin. Seventeen years later, we found significant changes, in both the change in basal...
Fire risk assessment of the western portion of the central hardwoods forest region
(University of Missouri--Columbia, 2008)
This study examined how fire risk, a combination of fuels conditions and fire probabilities, varied across a large portion of Missouri, Illinois, and Indiana. Case studies were conducted to evaluate the fuel loading variability in Missouri Ozark...
Effects of prescribed burning in Missouri Ozark upland forests
(University of Missouri--Columbia, 2007)
Prescribed fire is used in Missouri to achieve various silvicultural goals, but the use of burning in upland Ozark forests raises many questions that research has yet to answer. The purpose of this study is to examine the effects of prescribed...
A demographic analysis of recreation participants: a comparison among three surveys
(University of Missouri--Columbia, 2006)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Three major recreation behavior surveys were conducted in Missouri between 1997 and 2004. The Missouri State Parks Visitor Study, the Conservation Opinion Survey...
Rivers running through : an urban environmental history of the Kansas Cities and the Missouri River
(University of Missouri--Columbia, 2006)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] An environmental history of Kansas City and an urban history of the Missouri River, this dissertation shows how interconnected the city and the river were through the twentieth...
Delineation of critical management areas at plot, field, and watershed scales for claypan soils
(University of Missouri--Columbia, 2010)
and water quality and given rise to non-point source pollutants. The claypan soil region of Missouri has a high runoff potential that increases the possibility of transport of non-point source pollutants to downstream sites. The Agricultural Policy...
Assessing impacts and targeting of agricultural conservation practices
(University of Missouri--Columbia, 2010)
The U.S. Department of Agriculture initiated the Conservation Effects Assessment Project in 2003 to quantify water quality and wildlife benefits of conservation programs funded by the 2002 Farm Security and Rural Investment Act. This study examined...
Healing the frontier : Catholic sisters, hospitals, and medicine men in the Wisconsin Big Woods, 1880-1920
(University of Missouri--Columbia, 2008)
of Hayward, Wisconsin, as well as through an examination of the recorded experiences of the Ojibwa who lived on the Lac Courte Oreilles (LCO) reservation, about fifteen miles south of Hayward. The population on the LCO held intricate ties with the people...
America's invisible workers : a study of migrant out-of-school youth
(University of Missouri--Columbia, 2010)
the ages of 18 through 21 face a whole host of economic and social obstacles that often hide and isolate them from the mainstream society. The concentration of migrants into a few jobs, such as agriculture, is a direct result of the demand for a particular...
More than a river: using nature for reform in the progressive era
(2013)
how progressives looked to nature as a tool of social reform. Each of these men understood the American environment in multiple contexts. Nostalgia and romanticized Missouri River history activated themes of empire, race, and manhood in Neihardt’s work...
The portfolio problem in agricultural cooperatives: an integrated framework
(University of Missouri--Columbia, 2005)
A portfolio problem within agricultural cooperatives arises as a result of the traditional cooperative's property rights structure. As members' investment is tied to patronage, this traditional structure prevents them from adjusting cooperative...
What is the impact of livelihood strategies on farmers' climate risk perceptions in the Bolivian highlands?
(University of Missouri--Columbia, 2009)
The Andean Highland region in Bolivia possesses a harsh climate environment that is highly variable. This study combines risk perception literature and livelihood strategy literature to examine climate risk perceptions. ...
Geostatistical analysis of land use/land cover changes and population growth trends in the Komadugu-Yobe River Basin in Nigeria
(University of Missouri-Kansas City, 2012-06-14)
The Komadugu-Yobe River located in northeastern Nigeria is an important tributary of Lake Chad. Since the 1970s, the Komadugu-Yobe basin has experienced significant changes in population density and land use/land cover. ...
The greatest improvement of any country: economic development in Ullapool and the Highlands, 1786-1835
(University of Missouri--Columbia, 2006)
This thesis explores the possible causes underlying the failure of Ullapool to develop in the half century after its founding. The study seeks to place Ullapool within a wider context, examining several interconnected ...
Impact of aphids species and barley yellow dwarf virus on soft red winter wheat
(University of Missouri--Columbia, 2005)
Barley yellow dwarf virus is one of the most widespread viral diseases of wheat. Yield reductions up to 70% have resulted from barley yellow dwarf virus (BYDV) infection. Several aphid spp. transmit BYDV. In Missouri, the four common aphids...
Optimizing crop N use efficiency using polymer-coated urea and other N fertilizer sources across landscapes with claypan soils
(University of Missouri--Columbia, 2008)
Development of improved management practices to increase nitrogen use efficiency (NUE) within agricultural fields is needed to improve crop production and reduce nitrogen (N) loss. Field studies planted to maize were conducted in 2005 and 2006...
The military vici of Noricum
(University of Missouri--Columbia, 2005)
This dissertation examines the civilian settlements that developed next to the auxiliary forts on the Danube frontier of the Roman province of Noricum. Chapter one of this study provides a brief consideration of the history ...