John David Jones, Jr.

John David Jones, Jr. is an Assistant Professor in the Department of Crop Sciences at the University of Illinois Urbana-Champaign, specializing in soil fertility and nutrient management for sustainable crop production systems.

His research focuses on:

• Nutrient Management
• Soil Testing methodologies
• Agricultural Science applications
• Crop Science innovations
• Fertilizer Application optimization
• Soil Fertility dynamics

Recent publications (2021-2023) analyze soil-test calibration for phosphorus/potassium, nitrogen use efficiency, and 4R nutrient stewardship implementation. His work emphasizes Wisconsin and Midwest cropping systems, integrating economic profitability with environmental sustainability through precise fertilizer recommendations and soil health monitoring.