Expertise
Dave's research emphasis is on nitrogen and phosphorus management, soil testing and soil test calibration, and the interaction of tillage systems and fertilizer recommendations.

He currently supervises the Soil Testing Lab, teaches Agron 625 Applications in Nutrient Management, and does research and extension work in the areas of soil testing and fertilizer use, especially nitrogen management, the use of sensors to predict fertilizer needs, new methods and equipment to apply fertilizers, and soil management.

Degrees
PhD, North Carolina State University, Soil Science, 1975
MS, Purdue University, Agronomy, 1972
BS, Purdue University, Agronomy Education, 1970