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An Assessment of Mixtec gold and Silversmithing Technology
The purpose of this study is to bring together the information necessary to assess the Mixtec goldsmithing techniques and the designation of these techniques as a culmination of New World metallurgy. Historical and technological backgrounds are examined in depth.
Date:
May 1981
Creator:
Alexander, Wynona W.
System:
The UNT Digital Library
The Effects of Powdery Mildew Erysiphe Graminis f. sp. Tritici on Yields of Wheat; Breeding for Resistance
Powdery mildew of wheat, Erysiphe graminis f. sp. tritici attacks wheat during periods of rapid growth, high levels of nitrogen fertilizer, high humidities, and cool temperatures. Yield losses due to mildew are caused by reduction in photosynthesis, increase in respiration and transpiration, impairment of heading and grain filling, and loss of plant vigor and growth.
Date:
May 1981
Creator:
Dean, Lealand D.
System:
The UNT Digital Library