Professor
Professor, Extension Range and Forage Specialist
Associate Professor, Associate Director of the Panhandle Research, Extension and Education Center
Associate Professor
USDA Research Agronomist and Adjunct Professor
Assistant Professor
Emeritus Sunkist Fiesta Bowl Professor of Agronomy
Professor Emeritus, Extension Forage Specialist
Emeritus Professor (Grassland Ecology) and Emeritus Director, Center for Great Plains Studies
