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Now showing items 231-240 of 269
The biological control of the Banks grass mite, Oligonychus pratensis (Banks), infesting commercial field corn in the Texas High Plains
(1985)
Field studies were conducted on the Banks grass mite (BGM), Oligonychus pratensis (Banks), infesting commercial field corn in the Texas High Plains. The population dynamics and spatial distribution of BGM and its associated ...
Performance of handicapped graduates in secondary vocational agriculture and vocational home economics programs as perceived by employers
(1985)
The underlying purpose of this study was to determine employers' satisfactoriness with handicapped employees who have completed secondary Vocational Agriculture and Vocational Home Economics programs in preparation for ...
Studies in the epidemiology and immunology of Babesia bovis, Babesia bigemina, and Anaplasma marginale in South Central Texas and Mexico
(1985)
Separate studies of the epidemiology and immunology of Babesia and Anaplasma in Texas and Mexico were examined. The studies entailed both field and laboratory investigations of the vectors involved in the transmission of ...
The relationship between attributional dimensions and life satisfaction among elderly residents of congregate housing
(1986)
The major purpose of this study was to investigate the relationship between attributional dimensions related to significant daily experiences and life satisfaction in elderly residents of congregate housing. A secondary, ...
An evaluation of the usefulness of Light's Retention Scale
(1985)
The purpose of this research was to evaluate the usefulness of Light's Retention Scale (LRS) as a measure of retention candidacy with elementary school children. Major questions of the study concerned 1) differences between ...
A study of the zooplankton assemblage of San Antonio Bay, Texas, and of the effects of river inflow on the composition and the persistence of this assemblage
(1980)
The composition and abundance of the zooplankton community in San Antonio Bay were studied. Particular attention was paid to the occurrences and densities of selected taxa and to the effects of floods on this zooplankton ...
Impact of alternative energy prices, tenure arrangements and irrigation technologies on a typical Texas high plains farm firm
(1980)
Irrigation is a major contributing factor in crop production on the Texas High Plains. It is responsible for greatly increasing crop production and farm income for the region. Two factors, a declining groundwater supply ...
An algorithm for large-scale nonliner knapsack : problems and extensions
(1980)
In this dissertation, an algorithm was developed to solve large scale discrete nonlinear knapsack problems (NKP) with multiple resource constraints. The algorithm is essentially a dynamic programming technique in a sense ...
Biological and economical aspects of commercial intensive shrimp mariculture in Texas
(1989)
Data collected from a commercially operated intensive shrimp farm on the Texas coast were used to evaluate certain operational aspects of penaeid shrimp farming in Texas. These data then were incorporated in a simulation ...
Chromosome, allozyme, and morphometric variation in three cytoypes of the Sceloporus grammicus complex
(1980)
The iguanid lizard Sceloporus qrammicus consists of at least six chromosome "races" (=cytotypes) distributed throughout most of Mexico. Three of these cytotypes (2n=32, 34, and 36) were studied in detail in that part of ...