TFI staff has worked with the American Society of Agronomy to publish 4R research updates in the Crops and Soils Magazine. The projects funded through the 4R Research Fund is providing the science needed to use fertilizers sustainably—remaining profitable while protecting the environment and benefiting society.
Copper 4R Management – Deficiency or Toxicity?
Managing at a System Level—Considering 4R Nutrient Stewardship and Soil Health Together
How do the P Index and 4R work together?
4R history and recent phosphorus research
How do recommendation systems and nitrogen recovery efficiency work together?
Phosphorus management research and the 4Rs
4R decisions for boron fertilization
Calcium: Improved plant health and nutrition through 4R management
The 4Rs in crop nitrogen research
4R nutrient stewardship and nitrous oxide losses
What about the 4Rs for zinc fertilization?
4R nitrogen fertilizer management in cotton production
4R practices for fertilizer management in potatoes
How 4R nutrient stewardship research helps us interpret sustainability science
4R framework implementation: precision ag adoption by farmers and dealers
Iron Availability and Management Considerations: A 4R Approach
4R nitrogen management when integrating canola into semi‐arid wheat
Watershed‐scale phosphorus balances to establish reasonable water quality expectations
Data Management and Variability:Precision Agriculture Considerations for 4R Management Planning
Examining Environmental Sustainability Metrics—Nitrogen Balance