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Now showing items 11-20 of 34
Ecology and herbicidal control of selected perennial range weeds of South Texas
(1977)
Three species of perennial range weeds, common goldenweed (Isocoma coronopifolia (Gray) Greene), Drummond's goldenweed (Isocoma Drummondii (T.&G.) Greene), and spiny aster (Aster spinosus Benth.) were studied relative to ...
The nature of acidity in selected acid soils
(1977)
Most of the soils in the eastern one-third of Texas are acid. To this date little work has been done to evaluate the acid status of these soils. The present effort was initiated to study total acidity and the contribution ...
Herbage dynamics and nitrogen cycling in two rangeland ecosystems on the Edwards Plateau, Texas
(1977)
This study was conducted on the Sonora Research Station near Sonora, Texas, in the southwestern portion of the Edwards Plateau. The objective of the study was to determine the effects of two long-term grazing systems on ...
Evaluating the Systems-Process Model for Program Evaluation : a three-level interim evaluation of the High Plains Manpower Development Project
(1977)
The vast array of evaluation models (or processes of evaluation) which have been developed for the evaluation of social programs has led to confusion. Amidst all of this confusion remains the fact that a very important ...
Population characteristics of estuarine decapod crustaceans in intake and discharge areas of the Cedar Bayou Electric Power Station before and during construction and operation
(1977)
Crustacean abundance, distribution and taxonomic composition were determined intake (Tabbs Bay and Cedar Bayou) and discharge (Trinity Bay) areas before operation (October 1969 through September 4, 1970), during operation ...
The effect of faculty and administrative attitudes towards students over twenty-five years of age on the policies and programs of selected universities in Texas
(1977)
The purpose of this study was to determine the effect of administrative and faculty attitudes towards students at the undergraduate level who are twenty-five years of age or older on the programs and policies offered at ...
A study of the feasibility of using forecasting models to characterize the supply of contract construction labor
(1977)
The purpose of this study were 1) to develop comprehensive construction labor supply forecasting models for several SMSAs in Texas and 2) to determine whether such models could be used to characterize construction labor ...
Perceptions of leadership staff members regarding educational goals
(1977)
The purpose of this study was to determine if any significant difference in ranking goal priorities existed among and/or between three selected groups within the Dallas Independent School District. The three groups were: ...
Role acquisition of the elementary school principalship in rural and urban school districts in Texas
(1977)
Purpose: The purpose of this study was to investigate how individuals become elementary school principals in both urban and rural school districts in Texas, and to determine if any differences exist in role acquisition by ...
An assessment of the community educator's tasks as perceived by community educators in Texas
(1977)
The purpose of this study was to determine which tasks in the administration of community education are considered most important by community educators involved in their performance. This information could be used as a ...