America’s Soil Crisis: Phosphorus Loss Threatens Food Security

A Penn State-led study reveals alarming phosphorus depletion in U.S. soils, driven by climate change and agricultural practices. This trend threatens crop yields, food prices and ecological balance.

Key Findings

1. Phosphorus loss increasing: Despite efforts to reduce it, phosphorus loss from agricultural lands has risen over four decades.
2. Climate change exacerbates issue: Extreme weather events and heavier rainfall drive phosphorus loss.
3. Agricultural impact: Phosphorus depletion reduces crop yields, potentially increasing food prices.

Expert Insights

1. “Phosphorus loss threatens food security and ecological balance.” – Li Li, Penn State professor
2. “Innovative agricultural technologies are crucial for mitigation.” – Li Li

Consequences of Phosphorus Depletion

1. Reduced crop yields
2. Higher food prices
3. Harmful algal blooms
4. Water treatment challenges

Innovative Solutions

1. New agricultural technologies: Penn State’s invented technology addresses phosphorus pollution.
2. Farming practice changes: Improved soil management and conservation practices.
3. Integrated watershed management: Coordinated efforts to reduce phosphorus pollution.

Learn More

Read the full study: Proceedings of the National Academy of Sciences.