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Now showing items 101-120 of 308
The effect of reduced nocturnal temperatures on the performance of broiler chicks and hen turkey poults from 0 to 21 days of age
(University of Missouri--Columbia, 2018)
"The world population has increased over the past century and with this increase in the world population comes an increase in demand of animal protein for consumption. The United States produced 8.78 billion broilers and ...
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...
To study the effect of pregnancy and of nursing on the maintenance requirement of mares
(University of Missouri--Columbia, 1916)
, with prevailing high prices for feed and labor. In order to secure profitable returns, the farmer must be able to adapt these principles to the special conditions that surround him. A review of literature shows that little has been done experimentally...
Three essays on the labor market in China
(University of Missouri--Columbia, 2021)
This dissertation consists of three chapters studying the impact of different policies in China on its labor market. In particular, we consider the impact of the Cultural Revolution on intergenerational mobility, the impact ...
Anthropogenic effects on soil physical, chemical, and biological properties in the Missouri Ozarks
(University of Missouri--Columbia, 2018)
are understudied relative to agronomic systems with respect to soil health. The primary objective of this study was to enhance the understanding of forest soil health in the Missouri Ozarks via three research objectives: (1) quantification of the effects...
Winter rations for dairy heifers
(University of Missouri--Columbia, 1917)
The special object of these experiments is to compare the efficiency and economy of rations which are conducive to rapid growth with rations of such character as to admit of but limited growth....
Some factors influencing fruitfulness in apples
(University of Missouri--Columbia, 1918)
"SUMMARY AND CONCLUSIONS: Missouri apple yields tend to rotate in three year cycles, the sizes of the crops produced showing the following order: heavy, light, medium, heavy, etc. A five years' study of the behavior of individual apple fruit spurs...
Some biological and chemical effects of sulfur upon plant growth and upon the soil
(University of Missouri--Columbia, 1915)
and America to conduct experiments during the last decade with a view of determining more accurately the action of sulfur in plant nutrition. To date, the work has not, on the whole, been conclusive nor exhaustive, and it was with the idea of studying the role...
A study of the effect of the periods of gestation and lactation upon the growth and composition of swine
(University of Missouri--Columbia, 1915)
Growth is at the base of organic production. In recent years an increasing importance has been attached to its study and to the conditions affecting it. Davenport says: "The importance of the study of growth cannot be over ...
The role of genetic and phenotypic diversity in maize and its effects on aflatoxin accumulation by the fungus Aspergillus flavus
(University of Missouri--Columbia, 2008)
Accumulation of the potent carcinogen, aflatoxin, in maize poses a significant health risk to humans and animals. Most commercially grown maize lines are susceptible to infection by the fungus that synthesizes aflatoxin, ...
Using attitutudes and motivations to segment the landowner audience: a typology of family forest owners in the Missouri Ozarks and description of management and information behaviors
(University of Missouri--Columbia, 2005)
With 74% of Missouri's forestland controlled by family forest owners, understanding this ownership group is important to ensuring the sustainable management of the state's forests. Audience segmentation techniques can help us to understand...
Knowledge discovery and data mining from freeway section traffic data
(University of Missouri--Columbia, 2008)
Archived traffic-generated data (traffic flow, accident, work-zone, and weather data) from PR-18 in San Juan was examined by means of association mining and the KDD process. A total of six studies were developed and studied ...
Progress in becoming established in farming
(University of Missouri., 1958)
and the factors such as size and type of business, tenure status, educational training and experience that contributed to the success of the people who made the start in 1953."--Introduction....
Pre-harvest water quality of ephemeral streams in Missouri Ozark forests
(University of Missouri--Columbia, 2006)
The Missouri Department of Conservation (MDC) developed a best management practice that leaves a riparian buffer next to streams to reduce the possibility of water quality degradation. The purpose of this study is to quantify water quality in upland...
Associations between client choice in food pantries and client food security status
(University of Missouri--Columbia, 2020)
This study determined the relationship between client choice and client food security status, and how the relationship was affected by household type. Data was obtained from the Voices for Food Project. Among the various ...
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 ...
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...
Power from the people : tenant activism in the Pruitt-Igoe public housing complex, 1950-1980
(University of Missouri--Columbia, 2023)
[EMBARGOED UNTIL 5/1/2024] Built in the mid-1950s in St. Louis, Missouri, the Pruitt-Igoe housing complex was constructed as the future of high-rise public housing design but was quickly labeled as a problem for local housing officials. Counter...
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 ...
Dissipation and carryover of imidazolinone herbicides in imidazolinone-resistant rice (Oryza sativa)
(University of Missouri--Columbia, 2007)
The development of Imidazolinone (IMI) Resistant (IR) rice now allows rice producers to selectively control red rice (Oryza sativa, O. rufipogon, and O.nivara), weedy relatives of commercial rice (O. sativa). Imazethapyr ...