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Now showing items 261-269 of 269
Performance measures for capital investment in the Texas Airport System
(1982)
This dissertation represents an initial effort to develop, evaluate, and apply performance measures for assessing alternative state airport systems. Performance measures indicate the precise operational meaning of each ...
Depositional environment of the Sam Miguel lignite deposit in Atascosa and McMullen Counties, Texas
(1985)
Previous investigators interpreted the San Miguel lignite to be the result of swamps and/or marshes that existed on the landward side of a lagoon. The partings were "fire-splay" deposits that originated from coastal streams ...
Analysis of upland and streamside vegetation in the upper Big Thicket
(1982)
Vegetation of the Blue Hills area of northern Newton County, Texas, was sampled in 51 forest stands representing the range of vegetation types of this region of the "upper" Big Thicket. Two managed and 16 natural forest ...
Genesis of soils and carbonate enriched horizons in a climo-sequence developed over cretaceous limestone in Central and West Texas
(1983)
The Edwards Plateau covers 10 million ha in Central and West Texas (nearly 14% of the state) and is an important agricultural rangeland. A strong climo-gradient extends across the area with annual precipitation decreasing ...
Texas petroleum production and the windfall profit tax
(1985)
This dissertation considers the impact of the federal windfall profit tax (WPT) on aggregate Texas petroleum production. First, an engineering-based economic model is developed that incorporates both the geophysical aspects ...
Risk management by livestock producers : a ranch simulation in the Texas Rolling Plains
(1987)
Uncertain forage production created by variation in climatic conditions and encroachment of undesirable brush species provide much of the business risk facing range livestock producers. This study focused on the evaluation ...
Attitudes of principals and teachers toward teacher appraisal as mandated by House Bill 72
(1988)
The purpose of this study was to determine attitudes of Texas teachers and principals toward teacher appraisal as mandated by House Bill 72. In order to accomplish this purpose, the researcher sought answers to the following ...
Kleingrass growth and utilization under early-season grazing
(1989)
The response of kleingrass standing crop, tissue fluxes and tiller dynamics, and the response of livestock gains and intake to early-season grazing treatments were investigated a t McGregor, Texas. The study evaluated the ...
Mechanical covering to prevent shoulder greening in white onions
(1989)
Onion (Allium cepa L.) varieties 'Contessa', 'White Early Supreme', 'Texas Grano 1015Y' (TG 1015Y), and 'Perla' were utilized in field studies that were conducted in 1988 and 1989 in Rio Grande City, College Station, Weslaco ...